Submitted in fulfillment of the requirements for the degree of Doctor of Philosophy: Business Administration, Durban University of Technology, Durban, South Africa, 2017. / The South African mining sector has over the years been perceived to be exploitative and not responsive to the investment interest of immediate stakeholders where they extract (local communities and labour). The perception of non-investment has resulted in amongst others, extensive community and labour unrests leading up to mass killings of mine workers at Marikana by the South African Police. The South African government has enacted policies to guide Corporate Social Responsibility (CSR) for the sector but the historic problems associated with this sector persists. As a result of community concerns around mining CSR, communities are mobilising around civic organisations, with the aim of brining the mining sector to account and fostering community development in their localities. This research explores and analyses if the mining sector adheres to CSR in their ventures and how communities perceive the sector’s activities and CSR approaches. The epistemological foundations of this research are mainly positivist adopting theoretical assumptions of the stakeholder theory. The research methods are however those of mixed methods – quantitative sequential qualitative methods. The subsequent research designs are a survey in the quantitative methods and exploratory interviews in the qualitative methods. Data was gathered using a survey questionnaire in the quantitative methods and recorded phenomenological interviews in the qualitative methods. Data was gathered from a sample of 200 community members in the two sampled mining areas of Marikana (100) and Carletonville (100). The former is a platinum belt and the latter is an old gold mining area. To augment quantitative data from the field survey sequential qualitative data was collected through semi-structured interviews (phenomenological interviews) with mining company executives, government leaders, trade unions leadership as well as community members in Makhado and Tshikondeni mining sites. The researcher encountered various limitations including travels to remote areas with lengthy distances on gravel roads, and respondents’ “over-researched” attitudes especially in Marikana and Makhado. The findings suggest that the mine workers’ location, living and working conditions influence their understanding and therefore definition of CSR. Although numerous CSR definitions emerged in the case of Marikana CSR was equated to basic service provision similar to those provided for by the municipality like houses, schools, roads and clinics. In the case of Carletonville which is a well-developed mining town, CSR meant skills development, local enterprise development and provision of bursaries. It emerged that the majority of community members are not aware of the CSR programmes implemented in their localities. Respondents further cited collusive corrupt activities between the mining companies, traditional authorities and municipal leadership as the main deterrent to CSR and to local economic development. Overall findings suggest that the mining sector is adherent to CSR legislation at the minimal level but this does not meet the needs and expectations of community members. The mismatch between community expectations and their understanding of CSR does not align with government policy on CSR requirement of the mining sector. The study recommends, among others, that bold and decisive government enforcement of penalties, which include consistent revoking of mining licences for non-CSR compliance by mining companies. The thesis also highlights the implications for managers as the rise of civic organisations propels a new engagement approach between mining companies and communities. This new approach would have inherent challenges such as delays in reaching consensus and exposing mining companies to internal community politics. Additionally, the study recommends future research be focused on evaluating constitutional powers of traditional leaders in relation to community interests in mining CSR. Furthermore, research could be conducted to establish previous compliance records on post-mining social commitments and environmental rehabilitation of mining companies in South Africa. This thesis brings to the fore, an illustration of the emergent bargaining power communities has and how it compels mining corporates to engage with communities more consultatively. Failure to do so, result in situations such as Coal of Africa impasse in the Makhado area where losses amounting to billions of Rands are incurred. / D

Magister Scientiae (Physiotherapy) - MSc(Physio) / Physical inactivity is recognised as a major risk factor for non-communicable diseases such as hypertension, cardiovascular disease, diabetes and cancer. Current recommendations for participation in physical activity are 30 minutes or more of moderate-intensity physical activity on most, but preferably all days of the week. The aim of the study was to determine the effect of a physical activity programme on weight, blood pressure, body mass index and body fat classification among high school learners through a short-term physical activity intervention programme. / South Africa

Magister Artium (Sport, Recreation and Exercise Science) - MA(SRES) / The primary aim of this study was to investigate the changes in physical fitness characteristics of elite women's rugby union players over the duration of the season. Thirty two elite female rugby players who were identified as members of the South African Rugby Union High Performance Squad were assessed on three separate occasions (pre-season, mid-season and post-season) throughout the competition season. The players were sub-divided into two positional categories consisting of 17 forwards and 15 backs. On all testing occasions, players underwent anthropometric (stature, body mass and sum of 7 skinfolds) and physical performance measurements (sit-and-reach, vertical jump, 10m and 40m speed, 1 RM bench press; pull-ups;1 min push-ups and multi-stage shuttle run test). A two-factor analysis of variance evaluated differences in the physical fitness variables between and within playing positions over the competition season. / South Africa

Please read the abstract in the section 00front of this document / Dissertation (MA (Psychology))--University of Pretoria, 2005. / Psychology / unrestricted

Five chemicals indigenous to the dental office environment that may cause toxic effects are formaldehyde, phenol, acrylic, mercury, and nitrous oxide. These chemicals create abnormal stress on physiological and psychological systems of the body resulting in symptomatology and pathology when the body defenses can no longer maintain homeostasis by adaptation. This study demonstrated serious behavioral consequences of chemical and heavy metal exposure. This study provided evidence that a significant percentage of dental office personnel who are exposed to the dental office chemicals show psycho neurological dysfunction. It was concluded that these individuals suffer adverse reactions to the chemicals in their work environment. The problem areas included perceptual motor difficulty in cognitive functioning, concern with bodily functions, despondency, and interpersonal problems.

Beef constitutes an important part of many consumers’ diets. Beef is the most consumed red meat in South Africa. Consumer perceptions can affect the whole supply or value chain of beef. Recently there has been increased interest in food safety; greater concern for environmental and animal welfare issues, increased importance of eating quality and healthy food as well as the greater role of food services. The demand for beef is no longer limited to economic factors alone but to non-economic factors as well. Consumers of beef in Alice have become more concerned about meat-borne risks and personal health. This research prioritized the exploration of the beef consumers’ (i) self-perception (ii) price perception (iii) benefit perception [in the form of – (a) value perception and (b) quality perception]. The study was conducted in the Eastern Cape Province specifically in Alice town and the surrounding rural areas (Ntselamanzi, Gaga, Hillcrest, Gqumashe, and Dyamala) of the Nkonkobe municipality. Anyone who admitted to eating beef and at the point of data collection bought beef for their own consumption or family consumption was deemed as a unit of analysis. Non – probabilistic sampling techniques which included accidental and random sampling were used to collect data from 100 interviewees. A semi structured questionnaire was used to analyse the perceptions and attitudes of beef consumers. The respondents were asked to indicate their agreement or disagreement with 47 statements or items presented on either five alternatives in a Likert scale scored from 1 (strongly disagree) to 5 (strongly agree) or a six Likert scale ranging from 1 (very low) through 5 (very high) to 6 (I do not know).The data was analysed using SPSS. It was discovered that beef consumers did not consider either intrinsic or extrinsic cues in isolation when purchasing beef but rather all characteristics contribute to the final perception. The Alice consumer market is heterogeneous and consists of different races with different cultures and market segments with varying needs and preferences. The results showed that five factors were extracted from forty seven items Factor 1: Information reliance and quality indication; Factor 2: convenience; Factor 3: Traceability and animal Welfare; Factor 4: Health and safety Conscious and Factor 5: Price and Branding. Furthermore, four main consumer segments emerged as - Segment 1: Informed buyers; Segment 2: Elite buyers; Segment 3: Health & safety conscious buyers and Segment 4: Apathetic buyers. The cluster analysis shows that quality is a subjective concept that is informed by a consumer’s personal taste and preferences. Taste and preferences inform the consumer’s effective demand which in retrospect is informed by the consumer’s socioeconomic status.

Potential determinants of exposure to culturable airborne fungal and bacterial aerosols and carbon dioxide were examined as an aid to the interpretation and evaluation of indoor air quality assessments. Concentration measurments for culturable bioaerosols and CO2 were evaluated against published standards and guidelines. METHOD: All 39 schools from one British Columbia school district were enrolled in the study to ensure different building ages and construction materials, but the same maintenance protocols, were included. Schools were randomly assigned to winter, spring or fall sampling. Data collected included: number of occupants and patterns of occupancy, CO2 levels, temperature and relative humidity, total suspended particles, and air exchange rates using tracer gas (SF6) decay. Other characteristics of the classrooms included the presence or absence of forced air heat, carpets, live animals or aquaria, plants, and the siting of the school or portable classroom. Culturable indoor and outdoor aerosols of fungi and bacteria were collected. Determinants of exposure were modelled by constructing multiple linear regression equations for indoor fungi, indoor bacteria and indoor carbon dioxide. RESULTS: The multiple regression models were able to explain a considerable proportion of the variance for the outcomes of interest (total R2 = 0.59 for mesophilic fungi, 0.61 for bacteria, and 0.68 for CO2). Increased outdoor temperature and outdoor fungal counts were associated with higher concentrations for indoor fungi. Variables describing ventilation and conditions of occupancy were significant to all outcomes of interest but functioned differently in the models. For example, fungal concentration was higher in the presence of natural ventilation, but lower with increased mechanical ventilation. In contrast, CO2 was lower with both ventilation types, and lower with higher outdoor temperature. CONCLUSIONS: Using variables measured during an indoor air quality investigation, predictive models can be constructed which are useful in identifying determinants of bioaerosol and bioeffluent concentrations. Ranges of bioaerosol and bioeffluent concentrations for high occupancy buildings in a coastal temperate zone may differ from guidelines written for other indoor settings and climate zones. / Graduate and Postdoctoral Studies / Graduate

M.A. / Health problems, physical and mental, in industry have an enormous influence on productivity of organisations in South Africa. Certain models of stress implied the perspective that many stressors may serve as possible inputs into the system, for example remuneration, substance abuse, teamwork, management support, change and self control. Outputs from the system include aspects such as accidents, illness, low productivity levels and psycho-social problems. The problem is that illness and absenteeism often have unspecific causes and a complex interaction perspective has been developed in looking at the employee as system in his working environment.

M.Sc. / The world is focusing on increasing the number of people who have access to safe drinking water due to the ascending numbers of drinking water related illnesses reported annually in rural areas where water is not treated before consumption. To meet this goal, household water treatment has to be introduced especially in places where homes are wide apart making centralised water treatment improbable. Most readily available household water treatment systems (HWTS) such as membrane filters may not be affordable in rural areas due to power requirements and degree of ability to use and maintain them. This study was therefore aimed at designing and constructing HWTS using readily available material such as sand, gravel, zeolites and clays. Five HWTS were designed, built, evaluated and compared based on their ability to remove chemical contaminants such as iron, arsenic and fluorides from drinking water. The types of filters that were used during this study are the biosand filter (BSF), a modified biosand filter with zeolites (BSFZ), a silver impregnated porous pot (SIPP) filter, a ceramic candle filter (CCF) and a bucket filter (BF). Effectiveness of the filters in reducing physical parameters such as turbidity and visual colour was also assessed. The water treatment devices had the following flow rates; 1.74 L/h – 19.20 L/h (BSFZ), 0.81 L/h – 6.84 L/h (BSF), 0.05 L/h – 2.49 L/h (SIPP) and 1.00 L/h – 4.00 L/h (CCF). The flow rates were high at the early stages of filter use and decreased with increase in the volume of water filtered through. The flow rates of the filters were affected by the turbidity of intake water which was between 1.74 NTU – 42.93 NTU and correlated to chlorophyll a concentrations. The household water treatment technologies reduced turbidity to levels less than 1 NTU (> 90% reduction) in the following order SIPP > BSFZ > BSF > CCF > BF. The filters achieved greater than 60% retention of calcium, magnesium, iron and arsenic. These contaminants with the exception of arsenic were reduced to acceptable levels of the South African National Standard of drinking water (SANS 241, 2004). Compared to the other filters, the BSFZ performed better in removing nitrates, phosphates and fluorides although the overall retention efficiency was low. Total organic carbon was removed greatly by the CCF (39%) and the least removal was by the BF. The overall performance of the filters in reducing contaminants from drinking water was in the order BSFZ > BSF > SIPP > CCF > BF. Filter washing vi resulted in an overall increase in the flow rates of the filters but negatively affected turbidity reduction. The filters still removed contaminants after total cumulative volumes of 1200 L (BSFZ, BSF, CCF and BF) and 300 L (SIPP) were filtered through the devices. The five evaluated filters have several advantages to the readily available technologies and the advantages include ease of construction, operation and maintenance. The filters are gravity driven and work independent of temperature. These HWTS incorporate safe storages fitted with spigots to eliminate recontamination of water when it is drawn for use. The filters can produce enough drinking and cooking water for a family of six members due to their high flow rates. The BSFZ, BSF, SIPP, CCF and BF may therefore be considered for treating contaminated water at household scale in places where water is taken directly from the source without treatment.

Magister Artium (Sport, Recreation and Exercise Science) - MA(SRES) / Numerous studies focusing on cardiovascular disease risk factors such as obesity, hypertension, smoking, diabetes mellitus, elevated serum lipids, inactivity and lack of physical fitness prevalent in children highlight the importance of the early diagnosis and prevention of conditions that are associated in adulthood with cardiovascular disease. The purpose of this study was to assess the impact of accumulative physical activity on the fitness profile, blood pressure and body composition in 14-16 year old school children in the Western Cape of South Africa. / South Africa