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  • 1.
    Abd-Alhe, Manar
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Ernhjelm, Henrietta
    University West, School of Business, Economics and IT, Divison of Informatics.
    Vad är svenska bilisters inställning till självkörande bilars ageranden i etiskt svåra situationer?2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The purpose of this study is to investigate Swedish motorists' attitudes towards self-driving cars. The thesis highlights advanced ethical decisions and ethical problems that exist for self-driving cars.

    To answer the question "What is the attitude of Swedish motorists towards self-driving cars and their actions in ethically difficulty situations?" a qualitative method has been applied. Artificial intelligence is a broad area with many domains, and therefore a delimitation has been made to the automotive industry.

    By using interviews and literature studies, the ethical dilemmas have been established for self-driving cars. The results of this literature study have been analyzed together with interviews for the study.

    Problems that have been identified with self-driving cars is that they are responsible for the event of accidents and decisive in ethical situations. Another problem identified in this study is the question of whom should be given priority in a situation where an accident is inevitable. The result has revealed that the actions of cars do not always comply with the driver's ethical principles, and that society usually lacks knowledge in the area of self-driving cars. People could act on reflexes in sudden incidents, which is different from a system that can make faster calculated decisions.

  • 2.
    Abdulrahman, Aziz
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Whittaker, David
    University West, School of Business, Economics and IT, Divison of Informatics.
    Avatarers pedagogiska implikationer för lärande i Virtual Reality: Empirisk studie om Tenstar Simulations AB’s avatar-teknik2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study is a part of a research project between Tenstar Simulation AB and University West with the purpose of developing pedagogical knowledge regarding Tenstar Simulation’s avatar-technology in Virtual Reality (VR) as an educational tool. VR has become more and more common in education with the purpose of making the learning process for students more efficient. The purpose of this study is to explore and investigate the pedagogical implications of VR, with a particular emphasis on Avatar technologies, for a teacher’s teaching context. The data collection method used in this study was semi-structured interviews, the interviews were individual interviews and the participants consisted of both teachers and Tenstar Simulation’s employees. The results indicated among other things that both VR and avatars have pedagogical benefits, where VR is a meaningful tool to facilitate training that is applicable to real life situations. Whereas avatars can afford the teacher more ways to observe the student’s actions in the VR-environment as well as affording more ways of communication between teacher and student. However, one challenge regarding potential teachers being critical to the use of the technologies was highlighted.

  • 3.
    Abovarda, Adam
    University West, School of Business, Economics and IT, Divison of Informatics.
    E-learning as part of residency education: Success factors and evaluation2021Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    COVID-19 pandemic forced many education programmes to switch to e-learning strategies. However, in many cases adopting e-learning occurred urgently and without sufficient study. This research aimed to invistigate aspects that may contribute to enhancing e-learning effectiveness for physicians in a residency education program and help in achieving its goals. This was performed by conducting a synthetic literature review to establish a theoretical understanding of what e-learning strategies might help in this situation. Furthermore, a qualitative analysis was performed on course evaluations survey data to invistigate learners’ perception on joining e-learning courses. Analysis results was used to study their level of satisfaction and compare the findings to the outcome of the literature review in order to build more clear understanding of e-learning success to help education organizers in choosing an effective e-learning strategy.

  • 4.
    Abu Ghanem, Anas
    University West, Department of Engineering Science, Division of Mathematics, Computer and Surveying Engineering.
    IPv4 mot IPv6 IPsec tunnel2020Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    The exam report studies the difference in how data traffic is affected between IPsec VPN tunnels over IPv4 versus IPv6. The data traffic that is sent over the tunnels is UDP and TCP packets where the speed of data is measured.

    From the produced result values, it can be concluded that IPsec VPN tunnel over IPv4 is better compared to IPv6 as the bandwidth is faster, but the difference is so small that the effect is insignificant.

  • 5.
    Abu Ghanem, Anas
    et al.
    University West, Department of Engineering Science, Division of Mathematics, Computer and Surveying Engineering.
    Eftekhari, Sina
    University West, Department of Engineering Science, Division of Mathematics, Computer and Surveying Engineering.
    A study of the network traffic between Bitcoin nodes2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Bitcoin is a digital cash money system that is decentralized and not controlled by a central authority. It functions as a cryptocurrency across a peer-to-peer network and all nodes in the network have a public registry of who owns what and who transact what. Transactions are secured through cryptography and with time gets locked in blocks of data and added to the blockchain. All transactions and new blocks are sent using TCP protocol to transport these packets to other nodes in the network.

    Bitcoin protocol uses different message types in the communications between the nodes in the network. This work has examined all the message types that are used in the Bitcoin network during two different stages: Downloading of the blockchain to a Bitcoin node versusrunning the node after the blockchain has been downloaded.

    From the produced results, it can be concluded that the network traffic between Bitcoin nodes varies depending on what messages are required to be sent and which phase the node is in.

  • 6.
    Adelstone Carlberg, Jonathan
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Sedig, Simon
    University West, School of Business, Economics and IT, Divison of Informatics.
    UTREDNING AV ACCEPTANS PÅ AUGMENTED REALITY APPLIKATIONER: En kvantitativ undersökning av framtidens teknik2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In this study a research has been conducted to find out how consumers experience Augmented Reality applications. This was done to see which underlying factors are behind each individual's experience. Are there any connections between user acceptance and unique participants that determines how they respond to technology? The research has been conducted with quantitative methods and advocates positivism. Surveys has been the method used to gather data about the user and has primarily been done with the face-to-face method. The users answered the survey after they had tested out features in IKEA Place, the test involved them placing out furniture in the application and then numerically rated the experience through the questions which was in the questionnaire. The result shows that the younger target audience retained a higher average value, median. The distribution test reveal that there were less spread on respective factors PU, PEOU and ATU in the younger target audience. While gender does not seem to have any significance to how acceptance is determined on AR-applications. The research reveals that the acceptance is affected in a negative way with increased age.

  • 7.
    Adlersson, Irma
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Olguin, Eduardo
    University West, School of Business, Economics and IT, Divison of Informatics.
    Beslut inför val av utvecklingsteknik: En kvalitativ undersökning om hur utvecklare och företag resonerar kring val av utvecklingsteknik för mobila enheter2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The use of mobile devices such as cellular phones and tablets have over the years risen in popularity. This increases the need to develop software that is suitable for these devices (Awad, El-Shihy, 2014). But because of the range of different platforms such as PC-desktops, tablets and mobile phones, app development has become more difficult. As companies want to reach out to as many users as possible the resources are not always there to meet the demand for that type of development. The aim of this study is to explore how developers and companies' reason when facing a choice between different technologies for web development, by examining how a decision is made as well as the conditions that govern that choice. In order to explore this, we have conducted interviews with four different companies and a total of eight interviewees with different roles such as web developer, IT-architect and CEO.

    Through our interviews we have concluded that first and foremost it is important to get information of new technology and then the acceptance of new technology. Second it is important to work out the conditions that are required for new technology, and finally to make the right decision when choosing of new technology. In that decision you must consider hard conditions and soft conditions where hard conditions pertain to technical aspects such as performance and effectiveness while the soft conditions refer to staff and their acceptance of new technology.

    Furthermore, this study has shown that staff is a very important pillar for decision making, it is after all they in the end who will be working with the new technology and therefore their acceptance of the technologies ease of use and usefulness is vital. However, this study has shown that the size of a company has an effect on the acceptance of new technology with the developers. Despite companies using the same decision strategy the size of the company can mean a different way to communicate within the company. In this study we observed that in a larger company the developers had little to no insight into the decision process and you had to work with what you got. Whereas in smaller companies we observed that developers had much more insight and possibilities to have their voices heard because of the ability to communicate and the closeness to the decision makers. Further it was shown that it was not only important to have the current staff in mind but also future staff, with this we mean that companies have to make themselves an attractive place to work with choices of technology that will attract new developers.

  • 8.
    Aggarwal, Chehak
    University West, School of Business, Economics and IT, Divison of Informatics.
    Accessibility- The interaction experiences of visually impaired people with mobile application using assistive technology.: A qualitative study of a banking application2021Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Banks have evolved from providing paper-based banking solutions to providing the most cutting-edge technologies, such as mobile banking. Because there are more phones on the market than PCs, mobile banking has gotten greater attention in recent years. A significant number of blind people rely on smartphone-based assistive technology to carry out everyday tasks. Due to built-in characteristics such as accessibility, usability, and increased interactions, smartphone-based assistive devices are becoming increasingly popular among the blind. In order to give a better user experience, major IT firms have started to add accessibility elements that enable the inclusion of disabled individuals. However, when it comes to how people with visual impairment engage with smartphones, these inclusive efforts fall short.This paper looks at how people with visual impairments interact with mobile apps and the challenges they face with accessibility. The issues were then mapped to the relevant WCAG2.0 success criteria to see how extensive and sufficient WCAG 2.0 is when it comes to covering mobile accessibility issues for blind and visually impaired users. To conduct the research, a prototype of a banking application, specifically a loan application journey, was examined.In order to learn about the users' pain points, five people were interviewed. The results show that most of the success criteria were met, allowing as many people as possible to use the mobile application.

  • 9.
    Aghaee, Naghmeh
    et al.
    Stockholm University.
    Karunaratne, Thashmee
    Stockholm University.
    Smedberg, Åsa
    Stockholm University.
    Jobe, William
    University West, School of Business, Economics and IT, Divison of Informatics.
    Communication and Collaboration Gaps among PhD Students and ICT as a Way Forward: Results from a Study in Sweden2015Conference paper (Refereed)
    Abstract [en]

    The low completion rate and slow progress in PhD education have been highlighted in many studies. However, the interaction problems and communication gaps that PhD students encounter make this attempt even more challenging. The aim of this study is to investigate the peer interaction problems and ICT based solutions from PhD students’ perspectives. The data collection method was an online questionnaire and in-depth interviews were used to follow up. The target group for the survey was the PhD students in Computer Science at Stockholm University. The total number of respondents for the survey was 53 PhD students and eleven randomly selected PhD students for the interviews. The results reflected a lack of peer interaction as an important issue in the perspective of the students. Based on this, the study showed several ICT solutions that have the potential to reduce the interaction problems and thereby improve PhD students’ collaborative learning and research quality.

    Download full text (pdf)
    fulltext
  • 10.
    Ahlqvist, Linnéa
    et al.
    University West, School of Business, Economics and IT.
    Anderson, Maria
    University West, School of Business, Economics and IT.
    Immersiva konstupplevelser i VR för äldre: en pilotstudie med fokus på kommunanställdas perspektiv2023Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Previous research shows that individuals who live a rich life filled with experiences rate their perceived well-being higher. Individuals who, for various reasons, become isolated in care homes as elderly, miss out on experiences they previously enriched their lives with. One way to ensure that these isolated individuals can continue to experience new things, such as art, is by offering immersive experiences in VR. 

    This pilot project is considered to have largely succeeded in fulfilling its purpose of finding common factors on which to build a possible collaboration between the different administrations of Kommunen (pseudonym). This with the aim of being able to create something reminiscent of a project carried out in Halmstad. The pilot project has also managed to capture what is currently being done to activate older people, which the current plans are, and what visions of how immersive VR could be used in the future exists. Finally, the project has also managed to identify some of the challenges and possible difficulties that the implementation of a similar project could be affected by. To do this, a number of key people within Kommunen's various operations have been interviewed to examine interests, opportunities, conditions and perceived limitations. The responses have then been thematized and analyzed in order to ascertain the results.

    The most obvious challenge with such an implementation was expressed by all administrations to be limited resources in terms of finances, personnel and time. However, the conclusion indicates that there is both willingness and good opportunities for collaboration between the various administrations within Kommunen to create immersive experiences in VR.

    Download full text (pdf)
    fulltext
  • 11.
    Ahlström, Hanna
    et al.
    University West, School of Business, Economics and IT, Division of Media and Design.
    Reinholdsson, Stina
    University West, School of Business, Economics and IT, Division of Media and Design.
    Äldres motivation till att använda och lära sig informations- och kommunikationsteknik (IKT): En kvalitativ studie om faktorer som är viktiga för att äldre ska motiveras till att använda och lära sig IKT2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The purpose of this study was to get a deeper understanding of what motivates older adults to use and learn information and communication technology (ICT). This has been investigated with qualitative interviews with older adults who use ICT. During the interviews the participants were allowed to share their experiences and thoughts about what motivates them to use and learn ICT. 

    The result of the study shows that older adults are motivated by various reasons to use and learn ICT. In order for them to be motivated to even start using new ICT services or units, they need to be introduced to it and after that a need can be created. This means that ICT must be useful and older adults need to understand the benefits and advantages of using it in order to even want to learn it. Important factors that older adults experience when learning new ICT are clear instructions, repetition, that they should be able to try for themselves, and that the learning session shouldn’t go too fast. The social environment around our informants has also proven to be an important factor in learning ICT.

  • 12.
    Ahmad, Ibrahim
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Eriksson, Niels-Oliver
    University West, School of Business, Economics and IT, Divison of Informatics.
    Virtual Reality och Augmented Reality inom pedagogiken: Lärares uppfattningar om Virtual Reality och Augmented Reality som ett hjälpmedel iutbildning på grundskole- och gymnasienivå2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Syftet med denna studie är att med hjälp av en kvalitativ datainsamling undersöka lärares åsikter samt uppfattningar av att tillämpa Virtual Reality och Augmented Reality i utbildningen. För att besvara studiens frågeställningar har empiri samlats in med hjälp av semistruktureradeintervjuer tillsammans med fem lärare från olika skolor i Sverige. Studiens diskussion har haft sin utgångspunkt i tidigare forskning som undersökt tillämpningen av Virtual Reality och Augmented Reality. Utifrån det resultat av de intervjuer som bedrevs med lärarna gick det att hitta ett antal gemensamma och återkommande teman i lärarnas åsikter och uppfattningar om Virtual Reality och Augmented Reality som ett hjälpmedel inom pedagogiken. Resultat visar att lärarna generellt sett är positivt inställda gentemot en framtid där Virtual Reality och Augmented Reality är ett vanligt inslag i pedagogiken, men de menar ändå på att det finns ett antal hinder som måste övervinnas för att nå denna verklighet.

  • 13.
    Ajdini, Diana
    University West, School of Business, Economics and IT, Divison of Informatics.
    The key requirements toward a secure Access Control Model for the Internet of Things2021Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In today’s technical reality, we are surrounded by a large number of devices with a never-ending growing network. This network is constantly retrieving and sending data, and an unlimited exchange of information is consistently occurring. In other words, this concept is known as the Internet of Things. However beneficial the Internet of Things can be for our world; the security and privacy issues must be addressed. Within this research, the security and privacy issues will be addressed through the access control area. The Internet of Things is a highly demanding and dynamic environment, making access control models complicated and somewhat difficult to design. This research was done to obtain what is required of an access control model for the Internet of Things, to ensure privacy and security. Furthermore, the research focused on how developers are applying the security requirements when designing IoT access control models. The research found that requirements included technical constraints of the IoT environment as well as following the requirements of the CIA(Confidentiality, integrity & availability) triad. In addition, the research found that developers apply different methods to achieve the requirements of the CIA triad. 

  • 14.
    Akkaoui, Fadi Youssef
    et al.
    University West, School of Business, Economics and IT.
    Jansson, Samuel
    University West, School of Business, Economics and IT.
    Studenters nivå av beroende till sociala medier på Högskolan Väst2022Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Internet use has increased greatly as a result of technological developments and social media was expected to have around three billion active users by the end of 2021. However, studies have found that when people spend large amounts of time online, it can lead to an addiction that can negatively affect people's daily lives. The aim of this study is to investigate how students at University West use social media, whether addiction can be identified among students and whether there are differences between men and women. The study has been carried out, as there is not a large amount of similar research that has been done within Swedish higher education, identifying the level of addiction to social media and which is currently seen as problematic with all the social media available. A survey was conducted and answered by students at University West and aimed to identify the level of addiction among students through questions related to six different components. The results showed that Instagram, Facebook/Messenger, YouTube and Snapchat were the most used social media among the students. It emerged that students use these social media mainly to communicate with friends and family, chat, subscribe to/follow groups, communicate for the purpose of their studies and listen to/share music, which is consistent with what previous studies presented. Trends emerged in the responses indicating that female students generally had a higher level of dependency on social media.

  • 15.
    Akrami, Melika
    University West, School of Business, Economics and IT, Divison of Informatics.
    Patients' perspective on e-consultation in Sweden: a quantitative study of factors influencing patients' attitudes and usage.2021Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Digital technologies are becoming more and more part of everyday life. Digital transformation brings benefits as well as challenges for individuals. New health care technologies are providing high-quality treatments for patients. This study investigates patients’ perception toward one of these new technologies, which is Electronic-Consultation. The focus of this research is on challenges and benefits that patients relate to the usage of e-consultation services in Sweden. Additionally, it studies the impact of individuals’ characteristics on their perceptions toward convenience and effectiveness of e-consultation, and in turn, the usage of it. The research has been done using the quantitative approach through a web-based questionnaire. The results show that people have a general high satisfaction with current e-consultation services in Sweden and do not experience many challenges. As a measurement for individuals’ characteristics, selfefficacy has been applied which refers to individuals' capabilities and beliefs in their own capacity to perform behaviors to produce specific performance achievements. To get more precise data, e-consultation self-efficacy (ECSE) has been chosen respectively. Results show that ECSE has a positive influence on people’s usage of these services. An interesting finding of this study is that positive perception does not always influence the decision toward the level of usage of e-consultation.

  • 16.
    Albertsson, Johanna
    et al.
    University West, Department of Engineering Science.
    Wallman, Nicklas
    University West, Department of Engineering Science.
    IPv6, 128 bitar av frihet eller en förbannelse?2023Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    In today's society, the internet is used daily, both privately and at work. When the Internet Protocol (IP) was created, it was for direct contact between two resources such as a client and a server. IPv4 was created and set as the new standard, but early on it was understood that sooner or later the addresses would run out. To solve this, short-term solutions were created until the new version was rolled out. The new protocol version IPv6 is available, but few have chosen to upgrade to the new version in Sweden. The purpose of the report is to map the situation around IPv6, by examining the contradictions that exist and comparing it with an implementation. The report took a closer look at the areas of attitude, competence, technology and economy to find out in which of these areas the main contradiction(s) exists and whether further investigations are relevant in the area. In order to be able to answer these, the method chosen was a survey aimed at personnel in the IT industry and the interview aimed at a University.  The result showed that the majority considered it complex and expensive in relation with a negative attitude. However, the respondent could partially oppose the complexity and cost issue. Both the lack of competence and the contradictions around costs are a result of the attitude. The conclusion was that the main contradictions landed within the attitude. The result showed that there is a reluctance to learn more about this protocol version, which has resulted in a delay in implementation.

  • 17.
    Alfljung, Patrick
    et al.
    University West, Department of Engineering Science, Division of Mathematics, Computer and Surveying Engineering.
    Fridström, Krister
    University West, Department of Engineering Science, Division of Mathematics, Computer and Surveying Engineering.
    Kartläggning och analys av CNAP-nätverket vid Högskolan Väst2021Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report is the result of a survey conducted on the CNAP-network (Cisco Networking Academy Program). This project has the goal to survey the aging and ill-constructed CNAP-network at University West, analyze potential security risks and to come up with suggestions on how the network could be reorganized, rebuilt or improved.

    In our thesis we discovered several flaws within the network and the results of the survey were summarized in a list of recommendations.

  • 18.
    Alfredsson, Isabell
    et al.
    University West, School of Business, Economics and IT, Division of Media and Design.
    Möller, Leon
    University West, School of Business, Economics and IT, Division of Media and Design.
    "Det ger mig trygghet": En kvalitativ studie om svenska HBTQ-personers identitetsskapande och gemenskap på sociala medier2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The purpose of this thesis was to qualitatively investigate how Swedish LGBTQ people navigate social media and how it affects them in their communities and creation of identity. The thesis findings draw from interviews with eleven persons aged 16 to 44 years. The data of the informants was analysed using a thematic model.  

    The result showed that LGBTQ individuals have great benefit from social media on many different levels but also that they are inhibited on certain platforms for different reasons because of their LGBTQ identities. The benefit was in the area of two of our main themes of community and identity creation where the informants clearly expressed many feelings such as security, understanding, belonging and acceptance. But also that it benefits from the information they receive from the Internet at large but also from other LGBTQ people online. The theme of openness showed that the informants were selective with the openness of the Internet because of their LGBTQ identities and that for various reasons they kept their sexualities secret partly or entirely on separate platforms where they did not feel secure.  

    The informants’ stories are largely in line with international research in the field and our informants' experiences could further be understood when they were confronted with these findings and theories in the field. The results of the study showed that the internet served as a haven for the informants and that through social media it had created a large network of contacts with other LGBTQ people both in Sweden and abroad. The conclusions that can be drawn are that social media serves a great purpose for LGBTQ people in Sweden and that through different platforms they are given the opportunity to express themselves and be paired with people in the same situations, which creates security for the informants. The conclusions we can draw are also that a large part of the informants suffer from minority stress due to or fear context collapse that they experience on different platforms.

  • 19.
    Ali, Hikmah
    University West, School of Business, Economics and IT, Divison of Informatics.
    En kvalitativ studie om svenska konsumenters inställning till digitala plånböcker2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Digital wallets have become a trendy topic, and a popular method of paying in physical stores. The aim of the study is to gain a deeper understanding of the attitude of Swedish consumers towards digital wallets Apple Pay and Samsung Pay. With the help of semi-structured interviews and previous research, users' attitudes could be more thoroughly established and the question asked for the study was answered. Factors that influence the user's attitude are based on previous research and theory. The factors that have been identified are usability, availability and security. With the help of the semi-structured interviews, it is possible to determine that most user's attitudes to the security of the services are poor. A poorer attitude to one or more factors will make the user's attitude to the whole of the services less favorable. The results also show that respondents feel some uncertainty when it comes to loss of account information.

    Download full text (pdf)
    fulltext
  • 20.
    Ali, Rashid
    University West, Department of Economics and IT.
    Performance of Network Redundancy in SCTP: Introducing effect of different factors on Multi-homing2010Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The main purpose of designing the Stream Control Protocol (SCTP) was tooffer a robust transfer of traffic between the hosts over the networks. For this reasonSCTP multi-homing feature was designed, in which an SCTP sender can access destinationhost with multiple IP addresses in the same session. If the primary path between the sourceand the destination is down, the traffic may still be sent to the destination by utilizingredundant path. And SCTP multi-homing also supports for the concurrent multipathtransfer of traffic. This paper introduces the effect of different network factors likeconcurrent cross traffic, congestion control algorithms and SACK timers on multi -homingfeature of SCTP. Throughput and end-to-end packet delay were used as performancemetrics to introduce the effect of these factors. From the study it was introduced thatconcurrent cross traffic in the network behaves same on multi -homed interfaces and bothinterfaces were affected almost same. It was concluded that congestion control algorithmsalso affects on multi-homing, the RED congestion control algorithm reduced delay andimproved throughput of the SCTP multi-homing. In RFC4960 recommended SACK timeris 200ms, but when 100ms SACK timer was used with concurrent multipath transfer inSCTP (CMT-SCTP) multi-homing, the high throughput and low delay was achieved ascompared with 200ms and 300ms, which indicated that different SACK timers affects onmulti-homing feature of SCTP. All the simulation works have been conducted in NS2network simulator. 

    Download full text (pdf)
    FULLTEXT01
  • 21.
    Allen Anyabe, Aloge
    University West, Department of Engineering Science.
    The Impact of Social Media Attacks Targeting Employees in an Organization: A Case Study2023Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Social media has a huge potential to be used positively or negatively. It allows for the preservation of relationships, information sharing, and connections with loved ones. It does, however, offer a platform for using social engineering techniques. 

    It's a great chance to network and find new job paths on LinkedIn, a social media platform that connects experts in particular industries. But it could also be a target for social engineering schemes. This was demonstrated in the example mentioned in the coming sections when the author used LinkedIn to break into the network of the business. To access the employees' profiles, the author created a fake profile and issued friend requests to them, as well as using open-source intelligent tools to do reconnaissance on the company and its employees. As a result, they learned important information about the duties and tasks of the staff. The information was then utilized to create more effective social media like LinkedIn attacks.

    Overall, the case study emphasizes the necessity for businesses to understand the risks posed by employee-targeted social media attacks and to take appropriate action. Organizations may protect the safety of their employees, uphold their reputation, and maintain a secure online environment by being aware of the effects of such assaults and taking preventative action.

  • 22.
    Al-Mahdawi, Raghda
    et al.
    University West, School of Business, Economics and IT, Division of Media and Design.
    Meijer, Robin
    University West, School of Business, Economics and IT, Division of Media and Design.
    Virtual Reality för att motivera till rörelse: En kvalitativ studie av två musik- och rytmspel2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Virtual Reality games have a great potential for combining physical exercise and entertainment, which in turn can help make exercise more fun and at the same time help make you want to move more. The purpose of the study is to investigate how the VR experience can affect the motivation to physically exercise and what other factors in games that can affect the motivation. We are investigating this with the help of a qualitative survey where we observe and interview eleven different respondents with mixed experiences in VR. The respondents tried out the VR games Beat Saber and Synth Riders, both are music- and rhythm games. The respondents tried out these games for two ten-minute sessions while we observed their behavior. After the game sessions, the respondents were interviewed where we asked questions about their experiences and opinions about their VR experience.The results show that VR games have several advantages that can motivate the player to want to move more. The majority of the respondents thought it was fun thanks to the music and rhythm while at the same time challenging themselves with harder difficulties and more challenges in the VR-games. The respondents came to the conclusion that VR worked as an excellent complement to exercise but did not consider it sufficient to completely take over as it is not as physically intense as, for example, bodybuilding or solid full body workouts and that you still need fresh air. 

  • 23.
    Amoson, Jonas
    University West, School of Business, Economics and IT, Division of Computer Science and Informatics.
    Building complex GUIs in Plan 92009In: Proceedings 4th International Workshop on Plan9, Athens, GA: University of Georgia , 2009, p. 15-21Conference paper (Other academic)
    Abstract [en]

    How can non-trivial graphical user interfaces be designed in Plan 9 without them losing their minimalistic style? Different toolkits are discussed, and a proposal for a tabbed toolbar is suggested as a way to add functionality without cluttering the interface and avoiding the use of pop-up dialog boxes. A hypothetical port to the GUI in LyX is used as an example.

  • 24.
    Amoson, Jonas
    et al.
    University West, Department of Engineering Science, Division of Automation and Computer Engineering.
    Lundqvist, Thomas
    University West, Department of Engineering Science, Division of Automation and Computer Engineering.
    A light-weigh non-hierarchical file system navigation extension2012In: Proceedings of the 7th International Workshop on Plan 9 / [ed] Eric Jul, Dublin, Ireland, 2012, p. 11-13Conference paper (Other academic)
    Abstract [en]

    Drawbacks in organising and finding files in hierarchies have led researchers to explorenon-hierarchical and search-based filesystems, where file identity and belonging is pred-icated by tagging files to categories. We have implemented a chdir() shell extension en-abling navigation to a directory using a search expression. Our extension is light-weightand avoids modifying the file system to guarantee backwards compatibility for applicationsrelying on normal hierarchical file namespaces.

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  • 25.
    Ampem, Daniel Kwame Baidoo
    University West, School of Business, Economics and IT, Divison of Informatics.
    Helping Out Refugees: the Way Forward Stakeholders' Activities for Newcomers in Trollhättan2017Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study used the qualitative research approach to investigate stakeholders' activities, stakeholders' opinions on technology, stakeholders' opinions on newcomers and problems of stakeholders in Trollhättan. Interest was on provided activities of the stakeholders'. With the actor network theory (ANT) framework, the study addressed the problem of newcomers to know about stakeholders' activities in Trollhättan. Semi structured in-depth interviews were conducted on seven stakeholders in Trollhättan municipality. A private company, Trollhättan Municipality Employment Office, the Red Cross, a university and three non-profit organizations. Data were analyzed based on summative content analyses. The study revealed that stakeholders arrange varied types of initiatives but it was hard for refugees that were placed in Trollhättan, especially newly arrived in Trollhättan to get access to the initiatives. The study concluded that reaching out to newly arrived newcomers is a major problem for stakeholders in Trollhättan.

  • 26.
    Andersson, Christoffer
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Bengtsson, Jesper
    University West, School of Business, Economics and IT, Divison of Informatics.
    Riktlinjer för design av informationsbaserade applikationer inom sjukvården: En studie om hur designmönster skapar användarbarhet2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In relation with the development of mobile applications and the digitalization of healthcare, actors have emerged in the Swedish market, such as Vårdguiden 1177.se and Kry.se. The actors will, among other things, offer information about diseases to the public, this service is missing on their mobile applications. The purpose of this study is to investigate and compare different methods for presenting text in mobile applications and how the information can be easily accessible to users. Through a literature review, it was possible to determine which design patterns and presentation methods are relevant to the study. The study uses semi structured interviews of a qualitative nature as a method for gathering empirical data with a focus on respondent’s experiences and opinions between the different design patterns for how text is visualized and different navigation patterns. The interview questions that the respondents answered were shaped by the purpose and issues of the study. The collected empirical data showed the respondent preferences regarding text presentation and navigation in mobile applications. Compared with previous research in the subject, similarities and differences like reading comprehension, readability and preferences of design patterns could be extracted.

  • 27.
    Andersson, Lisette
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Bengtsson, Christian
    University West, School of Business, Economics and IT, Divison of Informatics.
    Behovet av ett mobilt informations- och dokumentationsverktyg i hemtjänsten: Personalens perspektiv2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Although the work in home care businesses most often are mobile, the documentation and information management often occurs in information systems through desktop computers. The need for mobile solutions have become more relevant as they may contribute to increased safety, improved quality and time savings. However, research shows that business knowledge is often overlooked in the development of health systems, which contributes to IT support that are not adapted to the business needs. This study aims to increase understanding on how home care staff believes that mobile IT support the care work and organization routines.

    The study was conducted in a home care business through qualitative interviews of six respondents and a thematic analysis model has been used, containing three theoretical areas: Efficiency, Ease of use and Usability, Satisfaction and Motivation. The results show that a mobile IT support would represent a clear advantage in the business and that the existing information system could either be supplemented or replaced. However, the staff still have fears and negative attitudes towards the obstacles and risks of what new technologies can bring to the table.

  • 28. Andersson, M.
    et al.
    Heldal, R.
    Christiernin, Linn G.
    University West, Department of Technology, Mathematics and Computer Science, Division for Computer Science.
    Applying task-based division in multi-layered design: an industrial case study2005In: Human-Computer Interaction 2005: Proceeding of The IASTED International Conference on Human-Computer Interaction (IASTED-HCI)Phoenix, USA, November 14 - 16, 2005, Acta Press , 2005Conference paper (Refereed)
  • 29.
    Andersson, Ulf
    et al.
    University West, School of Business, Economics and IT, Division of Media Production.
    Josefsson, Pernilla
    University West, School of Business, Economics and IT, Division of Media Production.
    Pareto, Lena
    University West, School of Business, Economics and IT, Division of Media Production. University West, School of Business, Economics and IT, Division of Media and Design.
    Challenges in designing virtual environments training social skills for children with autism2006In: Proceedings of 6th International Conference on Disability, Virtual Reality and Associated Technologies, University of Reading , 2006, p. 35-43Conference paper (Refereed)
    Abstract [en]

    The purpose of the study is to explore particular challenges faced when designing virtual environments for children with autism, with the purpose of training social skills. Our findings are based on studying autistic behaviour during three years (primary and secondary sources), analysis of related system and other computer mediated assistive technology, as well as general game design. From these studies we have identified eight critical design parameters that need to be adjustable in a system suitable for autistic persons. The parameters importance, their variation range, as well as the need for independent adjustment of these were estimated and verified by experienced expert pedagogues.

  • 30.
    Andersson, Ulf
    et al.
    University West, School of Business, Economics and IT, Division of Media Production.
    Josefsson, Pernilla
    University West, School of Business, Economics and IT, Division of Media Production.
    Pareto, Lena
    University West, School of Business, Economics and IT, Division of Media Production. University West, School of Business, Economics and IT, Division of Media and Design.
    Challenges in designing virtual environments training social skills for children with autism2006In: International Journal on Disability and Human Development, ISSN 1565-012X, E-ISSN 2191-0367, Vol. 5, no 2, p. 105-111Article in journal (Refereed)
    Abstract [en]

    The aim of the study was to explore particular challenges faced when designing virtual environments for children with autism, with the purpose of training social skills. Our findings are based on studying autistic behavior during three years (primary and secondary sources), analysis of related system and other computer mediated assistive technology, as well as general game design. From these studies, we have identified eight critical design parameters that must be adjustable in a system suitable for autistic persons. The importance of the parameters, their variation range, as well as the need for independent adjustment of these were estimated and verified by experienced expert pedagogues. Copyright © Freund Publishing House Limited.

  • 31.
    Andréasson, Joakim
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Vega, Caroline
    University West, School of Business, Economics and IT, Divison of Informatics.
    Smartklockans motiverande faktorer: En studie som utforskar hur kvantitativa mätresultat samt kringliggande faktorer påverkar beteendeförändringsprocessen2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Health is a big area and something highly valued in people's lives. This is something that has been sought after throughout all times and has today been supported by smart watches and quantification. Today, smart watches are a fast-growing technology adapted to influence behavior. The market promises good results from these smart watches, and various research areas also express positive opinions about this phenomenon. The result from these quantitative measurements has been viewed as a central force in the process of behavior change, the impact of which has been explored in this study. This exploration of quantified measurements is seen as the first goal in this study. There are surrounding factors related to the smart watches that can contribute to behavior change. Exploring these surrounding factors in relation to measurements from smart watches was the second objective of the study. The study used previous research as well as semi-structured interviews to fulfill its purpose. Theoretically, smart watches can measure any unit. This study was therefore limited to only heart rate, steps, and sleep sensing. The conclusion shows that heart rate but mainly step counters has a significant effect on the behavior change process. The social factor, new technology, investment, and flexibility were identified as surrounding factors but have no significant effect on the behavior change process.

  • 32.
    Arezoomande, Elias
    University West, Department of Engineering Science, Division of Mathematics, Computer and Surveying Engineering.
    MMORPG och dess påverkan på unga vuxnas sociala relationer och deras färdigheter utanför spelvärlden: En intervjustudie utifrån spelarnas perspektiv2020Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The purpose of this study is to examine if the playing of massively multiplayer online roleplaying games (MMORPGs) impacts upon the social well-being and real-life skills of young adults. Online computer gaming has become a widespread everyday activity and there is an ongoing debate suggesting both positive and negative impacts upon gamer´s well-being and health. This study wants to capture gamers' perspectives. Therefore, a qualitative method was conducted in which the data collection took place through semi-structured interviews. Targeted selection was chosen in the study. Interviews were conducted with six young adults between the ages of 22 - 26, who were considered relevant as a target group. Each of them plays either World of Warcraft (Blizzard, 2004) or Final Fantasy XIV: A Realm Reborn (Square Enix, 2013). A thematic analysis was carried out. The conclusion of the study is that intensive online computer gaming is not perceived as a socially isolating activity. It enables new friendships and the expansion of social networks among like-minded people. Playing games with other people all over the world teaches you how to communicate, makes you better at English and in performing visual tasks. Taking responsibility for clan activities and effective strategizing helps you to work on your managing skills to become a leader. You only need to actually apply skills you can get from gaming to real life tasks in a meaningful way. Excessive playing of MMORPGs can have negative consequences on the body in the short term. Young adults are more able to limit the time they spend gaming, and to reach better balance between playing games and reconnecting with reality again. Even so, young adults consider problematic gaming to be a serious issue that deserves to be defined as Internet gaming disorder in order in order to get a public health response to a new problem.

  • 33.
    Arghavan Shahlaei, Charlotte
    University West, School of Business, Economics and IT, Divison of Informatics.
    Rethinking Competence: On Performing Digital Transformation2021Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    With increasing incorporation of digital technologies at work, a growing concern has been with the competence of the workforce. To capture the importance of competence in relation to digital technologies, Information Systems has traditionally employed the concept of “IT competence”. In recent years, the more contemporary concept of “digital competence” has made its way into Information Systems. However, regardless of whether these concepts refer to distinct sociotechnical phenomena, it can be said that they provide similar contributions and limitations. As a result, the focus in both the “IT competence” and “digital competence” literature has been primarily limited to the individual’s abilities to use specific IT artifacts to perform certain work tasks. These limitations have bounded our concept of how the incorporation of today’s digital technologies transforms entire work relations and therefore the plausible ways in which the workforce can adapt to these changes. By revisiting the theoretical value of these concepts through a Neo-Sociotechnical Systems approach, my research aim has been to provide an enhanced understanding of a) the implications of the digital transformation of work for competence, and b) digital competence as a theoretical concept that accommodates those implications. The dissertation provides a revised understanding of “digital competence” through a longitudinal and ethnographic study of two digitally transforming professions, i.e., communications and automotive engineering.

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  • 34.
    Arghavan Shahlaei, Charlotte
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Kazan, Erol
    IT University of Copenhagen, Copenhagen (DNK).
    Digitizing Products towards Platforms: the Case of Vehicle Motion System2020In: Making Digital Inclusive: Blending the Local and the Global, Association for Information Systems, 2020, article id 2557Conference paper (Other academic)
    Abstract [en]

    The development of digital product platforms is a prevailing trend in many industries. As firms incorporate digital technologies into established product categories, they need to manage tensions on multiple organizational layers including strategy, technology and structure. Recent findings suggest that tensions are most likely to be managed by creating resource and coordination flexibility. This paper reports a longitudinal case study of developing a digital product platform. By drawing on organizational ambidexterity theory, we identify four mechanisms—re-scripting, centralizing-re-directing and decoupling—through which the firm creates resource and coordination flexibility. The resulting resource and coordination flexibility in turn lead to the transformation of the firm’s strategy, technology and internal structure. The contribution of this study is in adopting an internal perspective and a bottom-up approach which help to theorize the evolution of digitized products into digital product platforms in an emergent way.

  • 35.
    Arghavan Shahlaei, Charlotte
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Lundh Snis, Ulrika
    University West, School of Business, Economics and IT, Divison of Informatics.
    Stenmark, Dick
    University of Gothenburg, Department of Applied Information Technology, Gothenburg, Sweden.
    Organizing in the age of digital product platforms: The work of integrated vehicle control engineers2019In: CEUR Workshop Proceedings, E-ISSN 1613-0073, Vol. 2398, p. 17-25Article in journal (Refereed)
    Abstract [en]

    As flexibility and generativity of digitized information continuously afford new possibilities, a significant challenge for organizations becomes pinpointing practices that are befitting from various aspects. Two overarching digitization eras have so far determined the greatness of the challenge for organizations; 'computerization', and 'the Internet'. Today, a third era of digitization is marked by the emergence of digitized products. As increasing numbers of code line and software are being incorporated in previously physical products such as cars, they can be used as complete products on one layer, and simultaneously turn into platforms enabling other firms to develop and integrate new components, content, or services on another layer. As digital product platform's multiple design layers need to be open to various applications and agendas, their development requires new justifications and approaches for organizing work. By applying a Neo Socio-Technical Systems frame of reference on the work of engineers as they engage in developing digitized products, we 1. discuss changes of work and organizing along three eras of digitization, 2. provide a rich empirical instance by identifying what steps engineers take in preparation for developing digital product platforms, and 3. discuss the implications of these steps for the literature on practice and organizing. ©Copyright held by the author(s).

  • 36.
    Arghavan Shahlaei, Charlotte
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Lundh Snis, Ulrika
    University West, School of Business, Economics and IT, Divison of Informatics.
    Stenmark, Dick
    Gothenburg University, Gothenburg, (SWE).
    Tikekar, Rohit
    National Electric Vehicle Sweden (NEVS), Trollhättan, (SWE).
    Re-organizing for digital product platforms: the work of vehicle motion engineers2019In: Selected Papers of the IRIS / [ed] Pasi Hellsten, Tampere University, Finland, 2019, article id 10Conference paper (Other academic)
    Abstract [en]

    As flexibility and generativity of digitized information continuously afford new possibilities, a significant challenge for organizations becomes pinpointing forms and kinds of practice that are befitting from various aspects. Two overarching digitization eras have so far determined the greatness of the challenge for organizations; ‘computerization’, and ‘the Internet’. Today, a third era of digitization is marked by the emergence of digitized products. As an increasing number of code lines and software are being incorporated in previously physical products such as cars, they can be used as complete products on one layer, and simultaneously turn into platforms enabling other firms to develop and integrate new components, content, or services on another layer. As digital product platform’s multiple design layers need to be open to various applications and agendas, their development requires new justifications and approaches for organizing work. By looking into the characteristics of digital product platforms, we discuss the shifts in the work of engineers as they engage in developing digitized products along three main courses of action. We illustrate how these courses of action are formed based on the requirements of developing digital product platforms rather than managerial presuppositions

  • 37.
    Aronsson, Andreas
    et al.
    University West, Department of Engineering Science, Division of Computer and Electrical Engineering.
    Bäversjö, Jonathan
    University West, Department of Engineering Science, Division of Computer and Electrical Engineering.
    Undersökning av gratis WiFi i Göteborg2014Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    This report examines a number of free WiFi-hotspots that are offered by various companies in central Gothenburg and how they compare to the mobile networks. Traffic, capacity, channel frequencies, signal strength and acceptable use policies were all analyzed and verified.

    The readings showed that the networks were generally not utilized to their full capacity, a probable cause might be the distribution of mobile networks and that channel distribution was with a few exceptions allocated correctly according to 802.11 standards. Acceptable use policies on the networks were implemented by the larger chains but not by the smaller companies

  • 38.
    Aronsson, Jonas
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Drechsel, Nils
    University West, School of Business, Economics and IT, Divison of Informatics.
    Dags att köra agilt!: vilka är de främsta för-­ och nackdelarna med att använda en agil systemutvecklingsmetod?2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Det övergripande syftet med studien och rapporten var att bidra till en ökad förståelse kring agila metoder för att kunna fatta beslut om användande av en agil systemutvecklingsmetod är motiverad. Studien var av kvalitativ karaktär och arbetade utifrån frågeställningen "vilkade främsta för- och nackdelarna med att använda en agil systemutvecklingsmetod?". Med hjälp utav djupintervjuer och litteraturstudier samlades empiri och vetenskaplig teori in.Vilken utvecklingsmetod en organisation använder har visats sig vara avgörande för organisationens produktivitet och kvalitet på dess resultat. Den sekventiella metoden har varit normen för IT-utvecklingsprojekt under en lång tid, vilket är orsaken till att vissaorganisationer fortfarande använder den. Allmänna problemen med den sekventiella metoden är att den har svårt att hantera förändringar, svårt att leverera vad kunden efterfrågar samt att modellen skjuter fram riskfulla och utmanande moment till slutet av projektet. Att istället byta till en agil metod kan vara lösningen på dessa problem då metoden är framtagen för att vara flexibel med nära kundsamarbete för att säkerställa att resultatet som levereras stämmer överens med vad kunden efterfrågade. Slutsatsen av studien har visat sig vara att de främsta fördelarna med en agil metod är: Den levererar vad kunden efterfrågar, kan enkelt hantera kravförändringar, är anpassningsbar samt ger enhögre kvalité på slutprodukten. De främsta nackdelarna studien har visat sig vara: Hantering utav dokumentation, svårt att skala upp till stora organisationer samt att metoden är krävande.

  • 39.
    Arriazú Nolasco, Noelia
    University West, School of Business, Economics and IT, Divison of Informatics.
    Vegan lifestile on Facebook: An online ethnography study2016Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In recent years there has been an increase in the number of vegans in the world. The main goal of my research is to understand the vegan struggles in their daily life and study how Facebook might help them solve these difficulties. This master's thesis focuses on the user perspective and how they perceive barriers to follow a vegetarian lifestyle in Spain. The research questions are about finding those barriers and knowing how they could be solved by using Facebook groups. For this purpose, an ethnographic approach has been used.

    The target group of this study are vegans who have gone through the time of change and may have had some problems in making that decision. Fifteen vegans have been interviewed to find challenges that have arisen when they have changed their lifestyles. After that, an online ethnography study has been performed by observing the content of a Facebook group, called "Vegetarianos y Veganos – España", focusing on publications where group members were asking for advice, information or solutions.

    The results indicate that the investigated group of Facebook is essential for the exchange of information, knowledge and experience. The members also contribute to increased knowledge through publications and comments. But most importantly, the members receive solutions to the problems they share with the group.

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  • 40.
    Arvidsson, Daniel
    et al.
    University West, School of Business, Economics and IT.
    Lämmel, Markus
    University West, School of Business, Economics and IT.
    Designprinciper utvecklade för lyckad anpassning av ERP-system: En Action Design Research studie med fokus på ärendehantering och tidsplanering2022Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The study examined which central design principles in case management and time planning can be applied in the development of a customized ERP system (Enterprise Resource Planning system) within SMEs (Small and Medium-sized Enterprises). Customization of ERP systems within SMEs is a complex field with many complications which makes it a problem class. Two SMEs experiencing problems with case management and planning were involved in the study and were used as a basis for developing a custom ERP system. Several wicked problems were identified based on the problem areas that the companies experienced. The study was conducted through an ADR (Action Design Research) approach with qualitative collected data over a nine-week period, where five iterations of development and evaluation were performed with a time span of one week each. The study resulted in a custom ERP system that includes case management and time planning with a good system-to-work fit within the companies. Six design principles were developed during the ADR work and established when the system was fully functional and approved by the involved companies. The design principles answered the identified wicked problems and can be used by others when adapting ERP systems within SMEs.

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  • 41.
    Arvidsson Vred, Emil
    et al.
    University West, Department of Engineering Science.
    Andersson, Oskar
    University West, Department of Engineering Science.
    ”Det berömda morgonrocks-scenariot”: Studenters upplevelser av videokommunikation och aktivt deltagande på Högskolan Väst2023Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Like other universities in the world, University West had to adapt to using digital tools to be able to continue education during the Covid-19 pandemic. Zoom is now commonly used by both students and teachers at University West and is still used as a supplement to campus-based education. This study examines active participation and how students experience this in digital teaching at University West using Zoom as a tool. A conceptual framework has been developed and used for this study to create relevant questions for the interviews and to categorize the answers for the results in different thematic. The categories are social interaction, participation, discussion, reactions, communication and questions and answers. The results show that the interviewed students do not feel that digital teaching via Zoom achieves the same level of active participation as it does in campus-based teaching and cannot be a replacement for it. There are aspects like using camera, controlled discussions forums and communication between students and teachers how digital teaching is done that could improve the active participation if it’s used in a way that improves digital interaction.

  • 42.
    Arvola, Mattias
    et al.
    Linköping University, Department of Information and Computer Science,Linköping, Sweden.
    Samuelsson, Marcus
    University West, Department of Social and Behavioural Studies, Division for Educational Science and Languages.
    Nordvall, Mathias
    Linköping University, Linköping, Sweden.
    Ragnemalm, Eva L.
    Linköping University, Linköping, Sweden.
    Simulated Provocations: A Hypermedia Radio Theatre for Reflection on Classroom Management2018In: Journal Simulation & Gaming, ISSN 1046-8781, E-ISSN 1552-826X, Vol. 49, no 2, p. 98-114Article in journal (Refereed)
    Abstract [en]

    Background. Learning to manage a classroom is a difficult but important part of teacher education. Earlier research on simulations for learning classroom management has highlighted the difficulty of supporting reflection.Purpose. This case study explores and evaluates the design of a simulation for student teachers' reflection on classroom management.Design. The design process resulted in the scenario-based SIMPROV simulation, which was made in the form of a hypermedia radio theatre that students go through in pairs or triads. Authoritarian, authoritative, democratic, and compliant leadership styles were built into the choices student teachers made.Evaluation. The simulation was evaluated in two courses where the participants' level of reflection and perceived knowledge improvement was measured using a questionnaire. Forty-three first-year student teachers, 48 third-year student teachers, and 38 of the student teachers' mentors participated in the evaluation.Results. The results indicate that participants engaged in reflection and understanding to a high degree, and only to a low degree in critical reflection or habitual action.Conclusions. The conclusions are that the scenario-based simulation designed as a hypermedia radio theatre supported knowledge improvement, understanding, and reflection and that social interaction during and after simulation sessions was an important feature.

  • 43.
    Asker Zada, Salar
    University West, Department of Economics and IT.
    Ad Hoc Networks: Performance Evaluation Of Proactive, Reactive And Hybrid Routing Protocols In NS2 2010Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    No infrastructure, no centralized administration and self-configuration are the main characteristics of MANETs. The primary motivation of MANET deployment is to increase portability, mobility and flexibility. However, this mobility causes an unpredictable change in topology and makes routing more difficult. Many routing algorithms have been proposed and tested over the last few years in order to provide an efficient routing in Ad Hoc networks. In this report we will show our conducted study with AODV (reactive), DSDV (proactive) and ZRP (hybrid) routing protocols. The performance of routing protocols have been evaluated carefully by analyzing the affects of changing network parameters such as, number of nodes, velocity, pause time, workload and flows on three performance metrics: packet delivery ratio, routing cost and average end- to- end delay. All the simulation work has been conducted in NS2. Our simulation results show that AODV gives better performance in all designed simulation models in terms of packets delivery ratio. DSDV shows the second best performance. Performance of ZRP is found average.

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  • 44.
    Asplund, Carl-Fredrik
    et al.
    University West, Department of Engineering Science, Division of Computer and Electrical Engineering.
    Svensson, Max
    University West, Department of Engineering Science, Division of Computer and Electrical Engineering.
    Mätning av uppstartstid i multicastprotokollen PIM dense-mode och PIM sparse-mode2014Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    This report studies which multicast protocol that requires the least amount of time to forward a multicast stream from sender to receiver. The protocols measured are IPv4 PIM dense-mode, IPv4 PIM sparse-mode and IPv6 sparse-mode. The measurements are based on the time between the client announcing participation in a multicast group to actually receiving the first multicast stream packet from the router. In a lab environment with Cisco 2901 routers we came to the conclusion that IPv4 PIM dense-mode required the least amount of time compared to IPv4/IPV6 PIM sparse-mode. Every protocol managed to stay below 20 milliseconds median, which is within the limit of what a human sees as instantaneous

  • 45.
    Axelsson, Lenny
    University West, Department of Economics and IT, Division of Computer Engineering.
    A Concept of an Interactive Controlled Vertical Blind2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    One of the most common devices found worldwide in todays society, is the curtain in

    various designs. Different designs which requires different types of physical efforts to be

    used and adjusted to achieve the intended purpose.

    Due to lack of features in a regular vertical blind and its construction, it makes it hard to

    use and apply with normal behaviours of the human. Where the basic idea is based on a

    static design with a parallel relationship between the individual vertical blinds is the

    prototype based on individual movements of the blinds. A static relationship, which

    requires repeated adjustment through the day and the movement of the sun to achieve the

    desirable functionality. However, when the user gets interrupted and distracted for example

    at work repeatedly during a complete day, his or her performance and creativity at work

    will be reduced.

    In this paper I have chosen to focus on the interaction design of the vertical blind and how

    to improve the interaction relationship between it and the user. Also showing how it is

    possible to create solutions for a simple and common unit like a vertical blind, by means of

    interactive models, use cases, technical predictions and a proposal of a future GUI that

    makes it possible to implement the models in a prototype of an embedded system. 

    Download full text (pdf)
    ICVB
  • 46. Babaheidari, Said Morad
    Evaluating Information Systems by using interpretive evaluation approaches and models2009Book (Other academic)
    Abstract [en]

    As information systems/technologies (IS/IT) become embedded in organizations, these systems cannot be isolated from important issues such as human intellect, culture, philosophy, politics and socio-organizational changes. Limited business resources on one hand and the various concerns and demands from different stakeholders on the other hand have led to an ever-growing need to evaluate IS/IT investments. In other words, due to the heavy rise of IS/IT costs IS/IT investments must be justified. Evaluation of IS/IT investments is generally taken to mean the identification and the measurement of capital expenditures spent on and the initial anticipated revenues gained from the deployments of these systems (IS/IT). One of the main fundamental characteristics of interpretive approach (IA) is to highlight and facilitate evaluation as an interactive learning process. Interpretive approach concentrates on the lifecycle perspective of IS/IT investments argued to be a complex managerial issue. It is crucial to notice that stakeholders, their claims, concerns and issues are at the core of IEA.

  • 47.
    Babaheidari, Said Morad
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Pareto, Lena
    University West, School of Business, Economics and IT, Division of Media and Design.
    Spante, Maria
    University West, School of Business, Economics and IT, Divison of Informatics.
    Svensson, Lars
    University West, School of Business, Economics and IT, Divison of Informatics.
    A Systematic Process for Selecting a Typical Case in School Setting2013In: Proceedings IRIS 36: August 11-14 2013 at Gran, Norway / [ed] Bratteteig, Tone, Aanestad, Margunn & Skorve, Espen, Oslo: University of Oslo , 2013, p. 461-472Conference paper (Refereed)
    Abstract [en]

    This paper describes the rationale behind the concrete steps how we systematically have gone through the case selection process as the first phase of a research project named Consequences of the Digitalization of Schools. The project is a single-case longitudinal (5-year long) study and adopts a so called Whole-School Approach. Previous research has criticized case studies for lack of both systematic approach and transparency in the presentation of the case selection process. The purpose of the presentation of this case selection process is to contribute to enhancing understanding of and broadening knowledge on systematic and transparent case selection techniques. The SIRIS database has been used to select a typical Swedish primary school in the chosen municipality where the project will be conducted. The SIRIS database contains annually statistics from all primary schools in Sweden, and is available online for public use. We demonstrate how and why a particular school representing a so called typical school was selected as our case. 

  • 48.
    Babaheidari, Said Morad
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Svensson, Lars
    University West, School of Business, Economics and IT, Divison of Informatics.
    Managing the Digitalization of Schools: an explorative study of school principals’ and IT-managers’ perceptions2014Conference paper (Other academic)
    Abstract [en]

    The deployment of ICT in school setting is in many ways a complex managerial task that involves several stakeholder groups. Firstly, principals and deans have to relate to the local, regional, national, and international policies and governing systems. Furthermore, the voices of teachers, students and their parents have to be considered and negotiated. In this paper, we explore how school principals’ and municipal IT-managers’ perceive the usefulness and the potential role that ICT play in the school context. In a pilot study of a single school district in a Swedish municipality, we have interviewed representatives from the municipal board of education, the municipal IT-support for schools, and two principals. By using the Technology Acceptance Model (TAM3) as an analytical lens to understand the two constructs of “Perceived usefulness” and the possible role of ICT, we conclude that the barriers for successful integration of IT into educational practices requires firstly overcoming the lack of coordinated ICT investment strategy and tracking of ICT. This can be done by having a clearly articulated ICT policy distributed to school staff which we argue will positively influence the perceived usefulness as expressed by principals and their governing body. Secondly, inclusion of ICT in all aspects of teachers’ professional school activities will bring change to school activities and processes.

  • 49.
    Bakidis, Filip
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Pochwat, Mikael
    University West, School of Business, Economics and IT, Divison of Informatics.
    Mjuvaruutvecklares erfarenheter av att arbeta agilt: En kvalitativ studie om känsla och upplevelse2021Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The use of agile methods is something that is constantly increasing within software development. Therefore, it becomes important to take the human and social factors into account when studying the agile methods. The purpose of this study is to investigate how employees at four private companies experience working with agile methods. The study is based on interviews as a data collection method to provide software developers stories and experiences. Nine respondents from four different companies were interviewed, where all respondents work as software developers.

    The result shows that it can be hard to understand and learn how to work agile as companies tend to adapt the methods to their own versions. Furthermore, results from the study points out that because there is no standard in how companies use agile methods, it results in different approaches of agile methods depending on the organisation you work for. The result indicates that work has become more efficient thanks to agile methods, as the team becomes more flexible when it comes to working with customer feedback and customer requirements. The flexibility results in more efficiency as it allows developers to adapt their work based on new customer requirements. The feeling of working as a team is a very important part, where communication and responsibility proved to be key factors to consider when working with agile methods.

  • 50.
    Bakraqi, Valon
    et al.
    University West, School of Business, Economics and IT, Divison of Informatics.
    Humed Darir, Yasir
    University West, School of Business, Economics and IT, Divison of Informatics.
    Användarvänlig interaktion med mobila enheter: En studie av centrala designprinciper för mobila enheter2015Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The background of this study presents the way that technology for mobile units has developed in a quick pace, which has led to an expansion of smartphone usage. While the smartphone usage has expanded, the websites hasn't followed the same development. The problematic discussion in this area deals with the difficulties of adapting interfaces from a stationary computer to the interface of a smartphone.

    Selected mobile sites from different airlines have been investigated, based on how user-friendly they are. The study aims to investigate the problems that can arise when airline sites are not user-friendly, and illustrate how the various design principles are applied in these selected websites. Previous research regarding this topic shows that it's difficult to adapt a website to a smartphone. The same design principles are required as for the ordinary websites, but they need to be performed in a stricter manner. Moreover, earlier research shows that usability is an important aspect in the design of the site for smartphones.

    A qualitative approach was applied in the study, where the approach to collect materials for the study has applied the method think aloud, and interviews have been conducted in order to gain a deeper understanding. The result of this study shows that the investigated mobile websites suffer of severly insufficient usability in regards to the investigated design principles and the principles of usability. It is crucial to apply design principles for good mobile usability to the areas that are important for the interaction between the website and the user. The website and its functions should adapt, depending on the device the user uses to browse the website. The website should not confuse the user and should always give feedback on the whereabouts of the user on the website.

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