There are several critical success factors suggested for why agile software development projects succeed, including organisational and process factors. Although there are an increasing number of identified critical success factors, IT professionals lack the modelling techniques and the theoretical framework to help them meaningfully understand their influences. To solve this problem, this study developed a model by employing the following theories: Theory of Reasoned Action (TRA), Theory of Planned Behaviour (TPB), and Unified Theory of Acceptance and Use of Technology (UTAUT) to create a fit model for agile software development projects. The research sought to answer the question: What are the critical success factors that influence the success of agile software development projects? The literature review considers the continued failure of agile and traditional software development projects which have led to the consideration of, and dispute over, critical success factors — the aspects most vital to a methodology’s success. Though TRA, TPB and UTAUT have previously been applied to agile methodologies, empirical models have not been completely integrated to develop a fit model. This research sought to fill this gap. Data was collected in South Africa through a web-based survey using structured questionnaires and an interview guide. Face-to-face interviews were done to identify the critical success factors in agile projects. The data was captured and analysed for descriptive statistics, convergent and discriminant validity, composite and internal reliability, and correlation in order to inform the structural equation modelling (SEM). SEM was used to test the research model and hypotheses to answer the research questions. The results informed development of a comprehensive model that could provide guidelines to the agile community. The study contributes towards understanding the critical success factors for agile projects. It examined direct, indirect and moderating effects, and the findings contribute towards developing a framework to be used by agile professionals. These key result shows that organisational factors have a great influence on performance expectancy characteristics. To ensure success of agile projects, managers are advised to focus on the effect of the organisation’s environment, culture and policies on performance and effort expectancy. / School of Computing / Ph. D. (Computer Science)

Human - Technology - Organization (HTO) is a well-established, general unifying concept in the Swedish Accident Investigation Authority (SHK) that represents an approach, knowledge and use of various tools regarding interactions between people, technology and organizational factors. The HTO-perspective is well described in literature but there are few studies on how SHKs staff experiences working according to this method in their investigations. The aim of this study was therefore to describe their HTO-perspective, examine how it is used in the investigations at SHK and describe the investigators experience of working with the HTO-perspective as well as the method's usefulness compared to old methods in accident investigations. A literature study has been conducted in the areas of HTO, Theory of planned behavior (TPB) and safety culture. TPB and safety culture are described in this paper since they highlight the different aspects of a HTO-perspective. The hypothesis was answered by using semi-structured interviews. The interviews were analyzed by a content analysis and themes were identified. Furthermore the material from the interviews was subsequently structured through a Strength – Weakness – Opportunities – Threats analysis (SWOT), i.e. the informants' view on the HTO-perspective was structured based on the strengths, weaknesses, opportunities and threats SHKs staff experience that the method has in the investigative work. The informants consisted of two investigators at SHK who 3have worked with accident investigations for a long time in various roles. The results yielded that the investigators had a positive attitude towards conducting investigations according to the HTO-perspective because they feel that this perspective provides them with cross-competence. A flaw is though that the perspective lacks a structured approach. As a result of this, the investigators own experiences and expertise play a major role in the quality of the investigation. As the study's aim is met and the informants are considered to be experts the validity requirements are also fulfilled.

Krisberedskap är ett aktuellt ämne som ur individperspektiv främst rör den egna förmågan att tillgodose sina grundläggande behov av vatten, värme, mat, kommunikation och medicin i minst 7 dygn om en kris inträffar. Detta ställer krav på individers medvetenhet och kunskap om kris och krisberedskap. Det saknas forskning på området och de studier som finns visar att medvetenheten och kunskapen är låg. Studiens syfte är att undersöka högskolestudenters oro för att en kris ska inträffa, deras kunskap och medvetenhet om kris och krisberedskap samt vilken beredskap studenter har att hantera en kris och eventuella samband mellan dessa. En kvantitativ enkätstudie genomfördes. Resultatet visar att studenternas medvetenhet och kunskap om kris och krisberedskap är låg. Studenterna har störst oro för att en terroristattack ska ske och anser det troligt att en terroristattack kan inträffa inom fem år. Generellt är dock studenternas oro för att en kris ska inträffa låg. T-test genomfördes för att undersöka eventuella samband och skillnader i krisberedskap utifrån grad av kunskap och medvetenhet. Inga signifikanta samband eller skillnader påvisades. Studiens resultat diskuteras i relation till teorierna Health belief model och Theory of planned behaviour. Då kris och krisberedskap är ett aktuellt men obeforskat ämne rekommenderas vidare studier.

Physical inactivity and disconnection from natural environments threatens human health. However, research has demonstrated that natural environments potentially support health-enhancing physical activity which could confer greater physical and mental health benefits than physical activity in other types of environment. This thesis approached the study of physical activity in natural environments through three related pieces of research. Firstly, an experimental study was carried out to explore how the presence of litter in beach environments affected psychophysiological responses to exercise. Responses to exercise did not differ in littered and clean conditions but there was evidence that order effects influenced findings. Visual attention to the two scenes differed, but did not mediate differences in psychophysiological responses. Secondly, analysis of a national dataset was undertaken to explore the form and quantity of physical activity conducted within natural environments in England. A series of linear regressions revealed that higher-intensity physical activities occurred in countryside environments, but more total energy expenditure occurred in coastal environments. Thirdly, a quantitative content analysis of brochures which promote recreational walking in natural environments was conducted which investigated their use of persuasive behavioural messages. These brochures omitted behavioural techniques which may be effective at motivating inactive individuals to walk. Extending this, an online survey tested whether improving brochure content heightened intentions to walk in natural environments. By designing content based on the theory of planned behaviour, the intentions of inactive individuals to undertake walking in natural environments were increased. The findings from this thesis demonstrate that the protection of natural environments is vital for preserving and promoting active recreation and could contribute to population-level increases in physical activity with theory-based promotion in the future.

Magister Public Health - MPH / The study had an observational, descriptive, cross sectional design. The sample consisted of 205 participants selected through convenience sampling. All students who presented for HIV testing during the colleges’ HIV Counselling and Testing campaign in December 2011 were asked to complete a self-administered closed-ended questionnaire voluntarily. The data was analysed with EPI Info versions 3.5.1. A frequency analysis was conducted for all the variables such as demographics, risk perception to HIV, knowledge of HIV, HIV testing behaviour. The association between HIV knowledge, risk perception and risk behaviours were assessed for gender differences. Chi-square analysis was conducted to determine the association between the main variable of interest HIV risk behaviour and each other explanatory variable (demographics, HIV knowledge, risk perception etc). Results were discussed using the theory of planned behaviour.

This research report presents the findings of an evaluation of a school-based substance abuse prevention programme presented as part of Project Awareness. The programme was presented as a one-day intervention for grade ten learners in eleven schools in Tshwane. The prevention program taught substance abuse refusal skills, anti-substance norms, personal self-management skills, and general social skills in an effort to provide students with skills and information for resisting substance offers, to decrease motivations to use substances, and decrease vulnerability to substance use social influences. The study evaluated this school-based substance abuse prevention intervention in a sample of learners (N=300) in six of the eleven schools. Measures were obtained on a behavioural survey to ascertain whether any knowledge, behaviour or attitude change occurred between the pre-intervention and post-intervention phases. In addition, focus group data and observational measures were implemented to determine how the learners experienced the programme and whether the programme was effective in capturing the attention of the learners. Results indicated that, from learners perceptions of the programme, the intervention seems to have had a positive impact on substance abuse prevention, but not on changing the behaviour of learners already engaging in substance abuse. The results from the behavioural survey indicated some change in learner attitudes to some degree, but not behavioural change. Suggestions for the improvement of the programme were made throughout the report, and the observational measures specifically indicated that the more practical oriented tasks were more efficient in capturing the attention of learners. It is concluded that although the programme certainly had room for improvement, that the programme did indeed address relevant issues. The program also had a direct positive effect on several cognitive, attitudinal, and personality variables believed to play a role in adolescent substance use. / Dissertation (MA)--University of Pretoria, 2008. / Psychology / unrestricted

The aim of this study was to identify factors affecting facility-based delivery with the purpose of developing a framework for the promotion of facility-based delivery among women living in rural Ethiopia. Explanatory mixed methods design, comprising of four phases-the descriptive (quantitative), explorative (qualitative), meta-inference and development phases was employed. The quantitative phase was conducted first using a structured questionnaire to identify the variables influencing facility-based delivery care seeking behaviour. A sample of 389 responses were used for data analysis using Structural Equation Modeling. The quantitative phase conducted next to explain the determinants that contributed to influencing facility-based delivery care seeking behaviour. Sixteen participants who were involved the first phase were involved in the follow-up second phase. As illustrated by the results of the study, the majority of women in the study areas continued to deliver at home, putting themselves at risk of dying from pregnancy related causes. As highlighted by the key findings from the quantitative and qualitative data of this study, the most influential factors in predicting and explaining delivery care seeking behaviour are response efficacy, attitude, subjective norm, and perceived behavioural control which are shaped by mothers’ confidence in the outcome, quality of care, interpersonal relations with family members, willingness to conform, access to services, and their decision making power. The way these findings emphasized the factors attitude, subjective norm and perceived behavioural control were consistent with the Theory of Planned Behaviour, while the significance of response efficacy was in line with Protection Motivation Theory. The study developed a framework to help promote facility-based delivery among mothers living in rural Ethiopia. / Health Studies / D. Litt. et Phil. (Health Studies)

El Perú se encuentra en el cinturón de fuego del Pacífico, por lo que los sismos son un riesgo latente. Ante ello, el director de INDECI, reveló que 3 de cada 10 peruanos no participan de los simulacros de prevención. Por ello, se realizó una investigación a 17 limeños, divididos en cinco sesiones de focus group para identificar los comportamientos de los limeños entre 25 a 35 años con respecto a la prevención de sismos y su relación con la gestión de la comunicación de prevención. Debido a las características que se desea estudiar, el enfoque más apropiado es cualitativo con diseño fenomenológico. A partir de ello, se concluyó que existen dos tipos de percepción del riesgo: percepción de riesgo nula y percepción de riesgo no constante, debido a que los mensajes de comunicación no han sido interiorizados dando como resultado comportamientos asociados a la ausencia de compromiso y responsabilidad. / Peru is located in the fire belt of the Pacific, so tremors and earthquakes are a latent risk. Despite this, the director of the national civil defense institute revealed that 3 out of 10 Peruvians do not participate in the prevention drills. For this reason, a qualitative research was carried out, where 17 people from Lima participated, divided into five focus group sessions to identify the behaviors of Lima residents between 25 and 35 years old with respect to earthquake prevention and its relationship with the management of communication prevention. It was concluded that there are two types of risk perception: null risk perception and non-constant risk perception, due to the fact that communication messages have not been internalized, resulting in behaviors associated with the absence of commitment and responsibility. / Tesis

Den här studien undersöker vad som påverkar beslutsfattandet för svenska högskolestudenter ur Generation Z när de gör inköp av kläder, samt vilka konsekvenser det leder till gällande konsumtionen av second hand och fast fashion. Studien undersöker även hur miljömedvetenhet påverkar dessa beslut. Studien är baserad på en enkätundersökning, där frågorna är baserade på teorierna Theory of Planned Behaviour och the Value-Action gap. Med hjälp av enkäten undersöks attityder till olika val samt hur deltagarna agerar. Studien utgår även från tillgänglig litteratur, bestående av vetenskapliga källor och rapporter. Resultaten visar att miljömedvetenhet har en stor inverkan på hur konsumenter agerar, samt att pris, tillgänglighet, kvalitet, storleksutbud och hållbarhet är avgörande när konsumenten fattar sina beslut. En jämförelse mot hållbarhetsmål 12 ur FN:s Agenda 2030, som anses aktuellt för studien, visar på att svenska högskolestudenter ur Generation Z konsumerar förhållandevis hållbart och ligger relativt bra i linje med de uppsatta målen. Resultaten visar även att den generella inställningen till fast fashion är negativ, och inställningen till second hand generellt är positiv. Detta ser lovande ut inför framtiden, och resultaten tyder även på att större medvetenhet kring miljöfrågor leder till mer hållbara val och konsumtionsmönster. / This study examines factors influencing decision-making among Swedish university students from Generation Z when purchasing clothing, as well as the consequences this has on the consumption of second hand and fast fashion. The study also explores how environmental awareness affects these decisions. The study is based on a survey, in which the questions are based on Theory of Planned Behaviour and Value-Action Gap. The survey explores attitudes towards different choices and how participants act. The study also draws from available literature, consisting of scientific sources and reports. The results show that environmental awareness has a significant impact on consumer behaviour, and that price, availability, quality, size range, and sustainability are crucial when consumers make their decisions. The results were compared with several sub-goals of Sustainable Development Goal 12 from the UN's Agenda 2030, which are considered relevant to the study. The results also indicate that the general attitude towards fast fashion is negative, and the attitude towards second hand is generally positive. This looks promising for the future, and the results also suggest that greater awareness of environmental issues leads to more sustainable choices and consumption patterns.

Owing to the fact that entrepreneurship is widely considered to be a mechanism for reducing unemployment, the purpose of the study was to assess whether final-year Commerce students in the predominantly rural provinces, the Eastern Cape Province and the Limpopo Province, have the intention to start their own businesses.The study draws heavily from entrepreneurial intent models and focuses on the relationship between three key variables, namely, exposure to entrepreneurship education, awareness of entrepreneurial support and social capital to establish whether they are related to the intention of final-year Commerce studentsto start their own businesses. The literature review concentrated on entrepreneurial intent and entrepreneurial intent models; government entrepreneurial support initiatives in South Africa and in other countries and their role in the development of entrepreneurial intent, emergence of new ventures and the growth of small, medium and micro enterprises (SMMEs); entrepreneurship education and its role in enhancing entrepreneurial self-efficacy, entrepreneurial competencies and entrepreneurial intent;the influence of social capital on entrepreneurial intent and the different stages on the new venture life-cycle; and concludes with the link between entrepreneurship and the establishment of SMMEs. A survey was conducted among National Diploma (ND): Internal Auditing, Cost and Management Accounting and Financial information systems students (IAUD, CMA and FIS) (who had six months exposure to entrepreneurship education), ND: Entrepreneurship/Small Business Management (E/SBM) (who had three years exposure to entrepreneurship education) and ND: Management (without exposure to entrepreneurship education). The respondents for the study comprised 355 final year students of which 276 were from Walter Sisulu University in the Eastern Cape Province and 79 were from Tshwane University of Technology (Polokwane Campus) in the LimpopoProvince.Data was analysed using descriptive statistics and nonparametric statistics. The findings reveal that the majority of the respondents had the intention to start a business in the future.The entrepreneurial intent of the ND: E/SBM students was v stronger than the entrepreneurial intent of the ND: IAUD, CMA and FIS students and ND: Management students. Some significant relationships were found between entrepreneurial intent and the key variables of the study. / Business Management / D.Com. (Business Management)