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  • Glad, Calle
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Bäck, Elinor
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Lean i byggproduktion med fokus på arbetsmiljö2019Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose: As of today, the knowledge of lean production, and its development into the construction industry, lean construction, has been well described in most of the necessary aspects. In what way lean could affect the work environment in a construction project, be it good or bad, has to date not been thoroughly documented. In Sweden, lean has been mildly tested in the construction industry but the results concerning the effect it has on the work environment is yet to be found in the literature. Lean itself is a strategy for manufacturing processes. The purpose of this study is to contribute to the knowledge of lean itself and how it, theoretically, could affect the work environment at construction site.

    Method: To achieve the purpose, documents from the participating company concerning work environment has been analysed in order to visualize what routines the company currently follows. In addition to this, seven interviews were conducted with employees of the company. The persons participating in the interviews were asked about how well they think the work is organized on the construction site right now and furthermore about their thoughts of lean-concept that had been produced, based on the theoretical framework.

    Findings: Based on the theoretical framework and findings in the empirical data that has been collected, a lean-concept was developed and refined. The concept includes what routines and what documents that are vital when implicating lean in an effective way, and also what needs to be considered in order not to impede the work environment at the construction site.

    Implications: Implicating a well-structured lean-concept in the construction process of a project would, theoretically, most definitely improve effectiveness within the project. It could also improve the work environment of the project, considering the risk awareness and the easier waste-control that the concept could provide. However, it could also make it worse through the elimination of variance and monotonous work tasks that are needed to improve the effectiveness.

    Limitations: The most important limitations that the study has had is the fact of it only being a theoretical implication of a lean concept, not a practical case study of the sort. This is due to the defined and limited time that project has had. In addition, the study has also had to limit its’ research to the frame supplement phase of the construction project. This is because of the fact that the work with the theoretical framework and the empirical study would have been too overwhelming, had the study considered the entire production phase of a construction project.

  • Delkic, Lejla
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Socialt hållbar förbättring av bostadsmiljön för ett miljonprogramområde: Miljonprogrammets område Lextorp2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose: At the beginning of the 20th century there was a large housing deficiency in Sweden. Over time the housing deficiency developed into a political issue and resulted in the million-program. One million homes would be built during 1965-1974. The million-program constitutes a large part of Sweden’s total housing stock. Many of these areas quickly became segregated and socio-economically weak. Municipalities are now faced with the decision to either phase out or develop the areas. The purpose is to investigate which measures can contribute to a better social sustainability and attractiveness in million-program areas. The aim of the study is to investigate which measures are effective in improving a sustainable housing environment in a millionprogram area. Method: The study has been conducted as a qualitative study in the form of interviews. Document analysis has been implemented where the information has contributed as a support but also as an eye-opener to find different solutions that are relevant in the case study. Observation in the area has been made to give the author a perception of the area. A literature study has been done to support the investigation and to receive information to create a foundation for the study. Findings: The main result of the analysis is that a key factor in achieving a sustainable housing environment is a major focus on social sustainability. The work with the social sustainability should be focused and deliberately with long-term perspectives. There are many ways of working with social sustainability, but a big part is to promote integration into socio-economically weak residential areas. The social issues form a basis for achieving a result and answering the questions set for the study. In order for the residents to have as pleasant living environment as possible, they should be given influence in various decisions made for the area. Implications: Proposed measures must be adapted to the specific conditions of each area. In order to contribute to an increased social sustainability it is important that the environments of the areas are well managed and completely clean. Social sustainability can also be improved through active work on social issues, which also contributes to increased attractiveness. The concept of social sustainability also includes urban design. A city that is well designed, safe and pleasant and has a good and functioning living environment is something desired. Limitations: The study is limited to only one million-program area since there is neither time nor resources available to map the problem on a larger scale. Own proposals are not presented, neither from an economic nor an architectural perspective, which could affect how the questions set for the study are answered. The focus is on whether planned measures are effective and whether these measures are sufficient to make an area attractive again.

  • Andersson, Jesper
    et al.
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    Gard, Ludwig
    Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
    En analys av CO2e-utsläpp vid tillverkning och transport av prefabricerade betongelement2019Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose: The global concrete consumption amounts to 25 gigatons annually, making it the most widely used building material (Petek Gursel, et al. 2014). The continued increasing world population in connection with urbanization will lead to a greater demand for cement. The problem with the increased manufacturing process of cement is that carbon dioxide emissions in 2020 will account for 10-15 % of global CO2 emissions, compared with the values measured in 2016, which only reached 5-8 % (Habert & Ouellet-Plamondon, 2016). The aim of the thesis is to analyse stages in the manufacturing process of prefabricated concrete from an environmental point of view with consideration to CO2 emissions. This will later result in providing concrete improvement measures or alternatively only provide useful knowledge for the concrete industry’s future. The stages that will be analysed are transport, concrete, rebar (reinforcement) and cellular plastic production.

    Method: The methods chosen for the implementation of the thesis were Literature Studies and Interviews. The purpose of the literature study was to educate the authors on the subject and collect various results from current research. The interviews contributed to the necessary information to be able to carry out the analyses at work.

    Findings: The thesis has resulted in a total amount of CO2eq emissions in four different stages in the concrete manufacturing process. Cement proved to be the biggest contributing factor to CO2eq emissions. There are several different measures to reduce CO2eq emissions in the concrete manufacturing process. The measures discussed the most frequently concern the cement production, which is favourable for the concrete production as a whole. The discussion also highlights measures taken in action at a concrete factory level.

    Implications: This study shows that cement accounts for the majority of the total CO2 emissions for concrete production. Therefore, much focus placed on improving the cement production with consideration to CO2 emissions is necessary. This does not mean that less focus should aim on research for green transport, insulation production and steelmaking. All productions stages have potential for improvement. Hence, it is important to continue the research to reduce the total CO2 emissions in the production of prefabricated concrete elements.

    Limitations: The study was limited to the manufacturing process of prefabricated concrete. A specific project HUS F was analysed for CO2 emissions in four production stages; concrete, reinforcement, insulation materials and transport.

  • Eriksson, Sandra
    Jönköping University, School of Education and Communication, HLK, Disciplinary Research.
    Hur undervisas nyreligiositet?: En intervjustudie med gymnasielärare om nyreligiositet2019Independent thesis Advanced level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    I föreliggande uppsats undersöks hur religionslärare undervisar om nyreligiositet i religionskunskap 2. I uppsatsen har vilka metoder samt vilket urval i innehåll lärarna gör i undervisningen om nyreligiositet varit i fokus. Frågeställningarna hur lärare arbetar med kränkningar/förutfattade meningar om nyreligiositet samt vilken omfattning ämnet har i undervisningen har även varit aktuellt. För att få en tydligare ingång har uppsatsen försökt lyfta den problematik som ofta lyfts i undervisningssituationer och som ofta skapar en utmanande miljö att undervisa för lärare men även en utmaning för elever att lära i. För att undersöka frågeställningarna och få fler synpunkter har åtta lärare intervjuats som undervisar i religionskunskap 2. En hermeneutisk metod har använts för att tolka deras svar. För att koppla de intervjuade lärarnas undervisning till den nedskrivna didaktiken har den teoretiska utgångspunkten utgått från didaktiska teorier, främst de tre modellerna förmedlingsdidaktik, progressionsdidaktik samt hermeneutikdidaktik. Resultatet visar på att hur lärare undervisar i förhållande till metoder, innehåll samt omfattning är ytterst individuellt. Det visar på en markant skillnad i hur undervisningen kan förefalla om nyreligiositet och i vilken omfattning den bedrivs. Resultatet visar även på att hur lärare väljer att hantera kränkningar/förutfattade meningar även är individuellt, men lyfter även behovet av ingripande när detta sker i klassrummet.

  • Markström, Magnus
    Language skills: How teachers in Years 7-9 prioritize and teach language skills in their English lessons2019Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study aims to study how teachers of English, in years 7-9 focus on various language skills in their lessons. To do this it is necessary to answer several questions. The first question is what language skills are the most important, according to research and steering documents. The second question is what language skills the teachers see as the most important and whether these are the same skills that they focus their teaching on. The third question is what reason the teachers have to focus on certain language skills. The fourth question is what methods the teachers use to teach these language skills. These questions are answered through theories of English foreign language teaching, especially the communicative approach. Previous research shows that all skills are important for English language proficiency. However, the results from the interviews show that the teachers tend to focus on reading, writing and to a lesser extent listening. This is according to the teachers because it is the skills that the students are least proficient in. Furthermore, there are several methods presented that explain how certain language skills may be taught. The language skills studied are reading, writing, speaking and listening. The results have been reached through semi-structured qualitative interviews with teachers working at a single school. The teachers’ answers, together with the theoretical background, have given several results. A result that emerged in this study was that there is a dissonance between what language skills teachers consider the most important and what language skills they teach in their classrooms. 

  • Hill, Richard
    Jönköping University, School of Engineering.
    When to use aluminium in home environments, according to democratic design2019Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    This thesis is about how aluminium correlates to democratic design. It includes comparisons between different materials used at a company that develops products according to democratic design. The analysis of how aluminium correlates is done in order to identify if the company has used and are using aluminium in the correct way, in a home environment. This report also includes some examples of analysis of product types, to show which would and whish would not benefit from being made out of aluminium.

  • Duvander, Jacob
    et al.
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Romhagen, Oliver
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    What affects the choice of a JavaScript framework: Interviews with developers2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In recent years frameworks for JavaScript has become a large part of web development. There has been a lot of discussion between developers which framework to use when developing a project since there is a large pool of frameworks to choose from. This paper aims to find out what factors affects the choice of framework according to web developers in the business. The earlier studies found on the topic of JavaScript frameworks focuses on the technical aspects while this study will focus on researching the pragmatic internal and external factors that affects the choice of framework. This will contribute with a different view to the field in contrast to the existing technical studies. To find answers to the research question qualitative interviews with web developers at different companies were conducted. 5 companies agreed to participate, and a total of 8 web developers were interviewed. The interviews were recorded and later transcribed. The results were analyzed through a thematic analysis. By analyzing the results several different factors were found, and by finding connections in between them they were then categorized into different themes. The themes found was demand, usability, community and reputation. Through the discussion of the findings it was found that the factors influencing the choice of framework can vary depending on if it is a personal project or a larger project at a company. For personal projects user gratification was major factor, while in companies the ability to collaborate was one of the main factors. To answer the purpose of the study the choice of framework depends on who is using it, what kind of requirements a project has, the resources of a company, and the locations demands. Therefore, different frameworks can be suitable for different situations.

  • Eriksson, Hanna
    et al.
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Parflo, Emelie
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Mobile application onboarding processes effect on user attitude towards continued use of applications2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The growing popularity of smartphones in recent years has led to an increase in mobile application development and use. However, a large number of mobile applications are only used once before being removed. For companies and organizations to spend time and money on application development only to achieve low user retention rates is unsustainable. During their first interaction with a mobile application it is crucial that users find functionality and value quickly to avoid discontinuation of use. User onboarding is often implemented in mobile applications to aid in first time interaction, making onboarding processes subject of investigation for effect on user attitude towards continued use of mobile applications.

    The study examined mobile onboarding processes and their effect on user attitude towards continued use of applications as well as the difference between onboarding processes effect on user attitude towards continued use of applications. The study was conducted within-subjects through a survey consisting of interaction with two prototypes with different onboarding processes and a questionnaire based on the technology acceptance model in order to investigate the variables of interest. The results of the survey were analyzed to measure the effects of the onboarding processes on the factors of the technology acceptance model and to investigate the differences between the onboarding processes.

    The results showed that user onboarding has a positive influence on perceived usefulness, attitude towards use and intention to use. There was no significant difference between the different types of onboarding patterns effect on attitude towards continued use. The positive effects on attitude and intention to use confirmed that implementing onboarding processes in mobile applications could be beneficial for value proposition and user retention. The perceived usefulness proved to be the determining factor on attitude and intention to use.

  • Siyasinejad, Seyedmohammadali
    et al.
    Jönköping University, Jönköping International Business School, JIBS, Business Administration.
    Teodosiev, Teodor
    Jönköping University, Jönköping International Business School, JIBS, Business Administration.
    Value Co-creation Practices in Brand Community of Airbnb2019Independent thesis Advanced level (degree of Master (One Year)), 40 credits / 60 HE creditsStudent thesis
    Abstract [en]

    Abstract

    Background: Value co-creation emerged at the beginning of the 21st century as a new way of understanding of value and its creation which occurs around individualized experiences of co-creation, leading to the creation of value that is exclusive to every person. In the essence of the concept of value co-creation lays the service-dominant logic of marketing. The investigation of value co-creation within brand communities has been emphasized in recent years. The practices of brand community members play a significant role in the value co-creation. Since Airbnb has never been looked as a brand community in the value co-creation literature, it remained unclear how value can be co-created through the practices of Airbnb community members.

    Purpose: How value is co-created between brand community members of Airbnb (between hosts and guests and guests themselves) through their practices in their experiences within the corporeal world?

    Method: In order to meet the purpose of this study, authors applied a qualitative method. Further, a netnographic strategy has been employed which led us to collect online-posted reviews of Airbnb guests from Airbnb website. Authors used purposive sampling by selecting the only guests who had the previous experience of stay in Airbnb accommodations in cases of on-site hospitality. 155 reviews of different guests from 31 accommodation profiles were collected in three waves of data collection. Moreover, a grounded theory coding was employed in order to analyze the data.

    Conclusion: We identified 14 sub-categories of value-creating practices that emerged under four major categories, namely: practice of sharing, practice of communicating, practice of saving, and practice of authenticating. Further, in the process of elaboration of main elements of practices (i.e. objects, doings, and meanings), we found general connections of these elements within the practices of hosts and guests (i.e. Airbnb community members) that helped us to understand how value is co-created in their experiences within the corporeal world.

  • Eriksson, Carl-Oscar
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Tornberg, Jesper
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Värdeflödesanalys i ett råmaterialflöde: En fallstudie där icke-värdeskapande aktiviteter och dess orsaksfaktorer identifieras2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose – The purpose with this study is to map a raw material value flow analysis and identify non-value-creating activities and propound suggestions for improvement.

    Method – The study is a case study based on an inductive approach with quantitative elements. The used methods is of a qualitative character since the study is based on interviews and interpretation based on observations of the basic data collection. The data collection has been done through literature studies, interviews, observations and document studies. In order to achieve high credibility, it has been important that the design of interview questions can be linked to fulfillment of the purpose. This work was done to minimize the risk of systematic errors.

    Findings – The study's results are based on a mapping of a flow where a current analysis was carried out to then later end in a value flow analysis. Based on the value flow analysis, it appeared that a shortage in the flow was high levels of waste. The largest identified waste was a lack of quality, mainly due to the production of defective products. This shortcoming also affects large parts of the flow. The measures proposed in the study are to implement standards through a change in the culture of the company, and to continue to work on continuous improvements.

    Implications – The result, which shows the importance of working with streamlining waste, which in this case leads to a lack of quality, mainly in the form of production of defective products. The study can be seen as a practical contribution to manufacturing companies, by embracing these proposals for action, it should generate a better consensus on the quality of the business. Also a theoretical contribution where further research could look at how to technically and psychologically implement a change like this.

    Limitations – It can be difficult to generalize the results as this is a study conducted as a one-case design. Furthermore, it is also complex to investigate and develop a study that shows how quality is linked to corporate culture.