Explicating the nature and concomitants of eudaimonic well-being is currently at the forefront of research on a fulfilling life and functioning well. However, the strength of research conducted on constructs is dependent on the quality of instrumentation. In view of this notion, Waterman et al. (2010) developed the Questionnaire for Eudaimonic Well-Being (QEWB) to operationalise their conceptualisation of eudaimonic well-being and explored the scale’s validity in American student samples. In particular, they confirmed a good fit of a unidimensional factor structure by using parcelled indicators in confirmatory factor analysis. Research on the applicability of this measure within the other cultural contexts needs to take cognisance of aspects such as conceptual equivalence, translation issues, and validity criteria. To contribute to the adaptation of the QEWB for the multilingual South African context, the aim of this study was to explore the structural and external validity of English, Afrikaans, and Setswana versions of the QEWB. A cross-sectional questionnaire survey design was used for data gathering. The sample (n = 975) consisted of students from a large university in South Africa, who completed either the English (n = 325), Afrikaans (n = 478), or Setswana (n = 172) version of the scale. To investigate the structural validity of the scale, descriptive statistics, reliability coefficients, and the scale’s factor structure were scrutinised. Regarding the latter, confirmatory factor analyses with both parcel- and item-level indicators, as well as principal component analyses were examined to assess the fit of a one-factor model. Exploratory factor analyses were conducted to further explore the dimensionality of the scale. External validity was examined by considering the attenuation corrected correlational patterns between scores on the QEWB and measures of well-being and ill-being. Results showed that item- and scale-level scores were mostly negatively skewed, with high average scores. Internal consistency reliability statistics indicated satisfactory reliability, except for a small mean interitem correlation for the Setswana instrument. Although adequate goodness of fit statistics of parcel-level confirmatory factor analyses supported Waterman et al.’s (2010) notion of a one-factor structure, the assumption of unidimensionality within parcels was not satisfied, which suggested that these analyses could have masked multidimensionality. A lack of fit of the one-factor model was shown by a number of small or negative interitem and item-total correlations, insufficient fit indices for item-level confirmatory factor analyses, and a small proportion of variance explained by the first unrotated component in principal component analysis. Exploratory factor analyses indicated a three-factor model, where the factors Sense of Purpose, Active Involvement in Beliefs, and Effortful Engagement were distinguished. For the English scale, a four-factor model was also sensible. Items that may need modification for the current context were identified. Support for convergent and discriminant validity was established. This study contributed to a further validation of the QEWB and highlighted its multidimensional structure for the groups involved. Further evaluation of the scale on conceptual and empirical levels is indicated, also specifically for applicability within the South African multilingual context. / Thesis (MSc (Clinical Psychology)--North-West University, Potchefstroom Campus, 2013.

Support services are indispensable for the effective functioning of education. Support services render specific, specialized services to the school (the site of instruction), teachers (trainers) and pupils (learners) and constitute part of the system of both formal and non-formal education. Although contributions by South African authors such as Ruperti, Van Schalkwyk and Lazarus and Donald provide valuable information, there is at present a need for a model for support services to provide in the changing needs of the target group. In this research the various theories with regard to support services as a component of the education system and the mini-education system were discussed. Some brief examples of support services as they function in practice were also discussed. An analysis was made of the different viewpoints, a new perspective provided on support services, and possible organizational structures were discussed for purposes of the organization of support services within the education system. Subsequently attention was directed to the personal situation of the trainer. From the literature it was demonstrated that the trainer would benefit by the support services with regard to both his professional and academic equipment, the different relationships in which he finds himself, his personality profile and his personal circumstances. Attention was then focused on the various fields in which educational events and structures in the South African education system can make use of support services in order to function more optimally. From the literature the conclusion was reached that the educational events and structures can be supported with regard to the equipping task of the site of instruction, management tasks situated in the site of instruction and the physical facilities of the site of instruction. It was also indicated from the literature that the learner has a need with regard to his personal situation. Support needs in the case of the learner were discussed by way of handicaps of learners, disabilities of learners, the parental community in which the learner finds himself, and the extent of stress experienced by the learner. Interviews were conducted with focus groups in practice in order to determine whether the needs for support services as identified from the literature were valid needs. Following this research a model for support services in an education system was proposed by way of graphic representations supported by discussions. Attention was also given to a possible organizational structure according to which one could manage such support services. In conclusion, the research was summarized in brief. Certain findings were underlined in terms of the objectives and certain recommendations were made with regard to possiblities for further research emanating from the results of this project. / Proefskrif (PhD (Vergelykende Opvoedkunde))--PU vir CHO, 1997

Attracting foreign direct investment (FDI) is of utmost importance for African countries in order to create employment opportunities, reduce poverty and to ensure sustainable economic growth. Despite Africa’s exceptional FDI performance during the past decade, the majority of FDI inflows have been directed to a few selected countries. As investors face many risks when investing in developing countries it is argued that risk perception plays a vital role in the FDI inflows into Africa. This thesis focuses on the relationship between risk and FDI. A structural equation model is used to analyse this relationship with a dataset of ten risk categories and FDI data from 42 African countries. The importance of SEM for this study lies in the capability of modelling data from multiple groups. Hence, the four sectors used comprise metals, automotive, communications and the real estate sector. Overall results indicate that government effectiveness and legal and regulatory risks produce the biggest concern for investors. The conclusion is that there are different risk patterns regarding FDI in Africa. The empirical results further imply that if African countries wish to attract the levels of FDI required to stimulate economic growth, policies are needed to reduce risks in order to create a favourable investment climate for investors. / Thesis (MCom (International Trade))--North-West University, Potchefstroom Campus, 2013.

Background: Children in South Africa are still affected by micronutrient deficiencies and children living in farm communities are especially vulnerable. African Leafy Vegetables (ALVs) are well endowed with micronutrients such as iron, zinc and vitamin A and might contribute to the nutritional status of children. However, these vegetables have been perceived as “poor people’s food” and over the years knowledge of and use of ALVs has decreased. Aim: This study assessed the potential contribution of ALVs to the nutritional status of children in a semi-rural farm community. Method: In this cross-sectional study, anthropometric indices, serum iron, zinc and retinol concentrations were determined in school children aged 5−13 years (n=155). Dietary intake of iron, zinc and vitamin A was evaluated by three 24-hour diet recalls of children (n=154). The iron, zinc and β-carotene content of selected ALVs was determined. Knowledge of and use of ALVs by primary caregivers was established using focus group discussions (FGDs). Descriptive statistics, independent t-tests, the Pearson Chi-Square Test and Mann-Whitney U Test were used. Anthropometric data were analysed using the World Health Organization Reference 2007 data. Dietary data were analysed using FoodFinder (version 3). Qualitative data from FGDs were translated, transcribed and color-coded to generate emerging themes. Results: Stunting (11%) was the most prevalent anthropometric indicator of malnutrition. This was supported by the low socio-economic status of households. Deficiency prevalence in iron (serum ferritin <15 μg/L; 15.5%) and vitamin A (serum retinol <20 μg/dL; 3.2%) was low. Zinc deficiency was the most prevalent (serum zinc <65 μg/dL; 74.8%) deficiency. Median dietary intake of iron, zinc and vitamin A was generally above the Estimated Average Requirement. ALVs were potentially good sources of iron, zinc and β-carotene and could contribute substantially to the Recommended Dietary Allowance for these nutrients in children, without taking into account inhibiting factors that might affect the bioavailability. Iron content of the ALVs studied ranged from 1.4−3.2 mg/100 g edible portion. Amaranthus cruentus was the best source of iron. Zinc content of the ALVs ranged from 0.7−1.4 mg/100g edible portions, with Cleome gynandra having the highest zinc composition. The β-carotene content of the ALVs ranged from 182−314 μg RAE/100 g edible portion, with both Amaranthus cruentus and Cleome gynandra being the best sources. Knowledge of ALVs and their use was indigenous and was transferred between generations. Caregivers had positive attitudes towards the use of ALVs. Conclusion: Although the prevalence of deficiencies was not severe (with exception of zinc deficiency), micronutrient deficiencies exist in the rural farm community studied. ALVs are potentially good sources of iron, zinc and β-carotene and might contribute to the nutritional status of school children. Knowledge of ALVs and the positive attitude and perceptions regarding their use by primary caregivers implied a potentially positive future response to interventions promoting consumption of ALVs in order to contribute to the alleviation of micronutrient deficiencies. / Thesis (MSc (Nutrition))--North-West University, Potchefstroom Campus, 2013.

Background: The Platinum mining operations in South Africa mining platinum containing ore from areas where variable amounts of uranium are found, leading to the possibility of occupational exposure to the radioactive disintegration products of Uranium-238 and in particular the gas Radon-222. No scientific data is available for occupational exposure to Radon-222 in South African platinum mining operations. Objective: To determine the risk of occupational exposure to the radioactive disintegration products of naturally occurring Radon-222 gas in a South African platinum mine. Design: Quantitative sampling (personal and static) to establish baseline data on exposure to radioactive disintegration products of naturally occurring Radon-222 gas in a underground South African platinum mine. Setting: The Bafokeng Rasimone platinum mine located 30 km North West of Rustenburg in the Bushveld complex in the North West Province of South Africa. Study subjects: One hundred and seventy four potentially highest exposed underground employees and one hundred and twelve static underground samples were sampled. Method: Personal and area samples were taken on selected employees and in locations using RGM samplers using CR-39 plastic as a detection medium. Employees were selected to sample the highest exposed occupations and static samples were located to sample returning air from levels underneath the sampling point before it is exhausted to the above ground atmosphere. After analysis by an accredited laboratory, the results were converted to exposure following the National Council on Radiation Protection-78 methodology. Main outcome measures: Quantify the relative risks of potentially highest exposed employee`s exposure to the radioactive disintegration products of naturally occurring Radon-222 gas in underground working areas in milliSievert per year. Results: The mean reference background exposure averaged 0.6168 mSv/a with underground personal exposure averaging 0.6808 mSv/a, and underground static exposure averaging 0.8726 mSv/a. These values are substantially below the 50 mSv/a Occupational Exposure Limit, and only pose a slightly elevated risk for the development of lung cancer above the normal back-ground exposure. Mining Team leaders and rock drill operators were identified as the potentially highest exposed employees due to the close proximity to the working face, large amounts of time spent close to the working face and the lower ventilation volumes at the working face, with Team leaders having the highest exposure of the sampled occupations with a average of 1.16 mSv/a. Conclusions: Occupational exposure to radioactive disintegration products of naturally occurring Radon-222 gas in the underground air of a South African platinum mine does not pose a significant risk to the health of employees working in the platinum mine. / Thesis (MSc (Occupational Hygiene))--North-West University, Potchefstroom Campus, 2013.

As societies across the world are facing grim problems regarding the consumption of tobacco products and alcohol, the Governments of these societies are adapting their strategies to reduce the consumption of these harmful products. These demarketing strategies are implemented to discourage the use of these products and increase the health of consumers. These strategies include a strenuous legal limit when driving under the influence of alcohol, enforcing the placement of warning labels on both cigarette packages as well as alcoholic beverages. Also included are penalties when failing to adhere to these laws, increasing prices, limiting the availability, restricting promotion and advertising, the list goes on. It is therefore seen fit to examine the attitudes of black Generation Y students’ towards the demarketing of smoking and alcohol consumption, because of the research gap concerning black Generation Y students. The primary purpose of this research study was to conclude the attitudes towards the demarketing of smoking and alcohol consumption amongst black Generation Y students within South Africa, and more specifically the Vaal Triangle region. The target population for this study comprised black Generation Y students, aged 18 to 24. A non-probability convenience sample of 200 respondents at each of the two higher education institutions was randomly chosen to participate in this research study making the total sample size 400. A self-administered questionnaire was handed out to each of the respondents to complete. The questionnaire consisted of three sections; Section A – demographical information, Section B – tobacco questionnaire and Section C – alcohol questionnaire. It was required of the respondents to complete the three sections, indicating their agreement or disagreement towards demarketing on a five-point Likert scale. The literature review included in this study comprised marketing as an organisational philosophy and function, market segmentation, targeting and positioning, as well as demarketing. The traditional marketing mix, consumption patterns within South Africa concerning smoking and alcohol, demarketing as a form of social responsibility were also discussed. The term demarketing, the marketing mix in terms of demarketing and the Generation Y cohort were also included within the literature review. The main finding obtained from the main survey questionnaire was that black Generation Y students’ had a positive attitude towards the demarketing of smoking and alcohol consumption. The remaining findings obtained are discussed in order to enhance the understanding of the black Generation Y students’ cohort attitudes. The recommendations for this study are given to guide the successful implementation of demarketing of cigarettes and alcohol. It is concluded from the research, that black Generation Y students’ attitudes towards the demarketing of smoking and alcohol consumption is positive, and that they are in favour of persuading consumers to reduce consumption and ultimately quit the consumption of these products. Therefore, organisations and the Government should continue to implement these demarketing strategies towards smoking and alcohol, especially amongst the black Generation Y students. / Thesis (MCom (Marketing management))--North-West University, Vaal Triangle Campus, 2013

Cashew, Anacardium occidentale Linnaeus, is an economically important cash crop for more than 300,000 rural households in Tanzania. Its production is, however, severely constrained by infestation by sap-sucking insects such as Helopeltis anacardii Miller, H. Schoutedeni Reuter and Pseudotheraptus wayi Brown. The African weaver ant (AWA), Oecophylla longinoda Latreille, is an effective biocontrol agent of hemipteran pests in coconuts in Tanzania; but its efficacy for the control of sap-sucking insects, especially Helopeltis spp. and P. wayi, has not been investigated so far in cashew crops in Tanzania. Field trials were carried out at the Coast region of Tanzania to evaluate the effect of seasonality and abundance of AWA on Helopeltis spp. and P. wayi. Results showed that AWA abundance expressed, as number of leaf nests per tree, and colonization of trails on main branches varied significantly between cashew-seasons and off-seasons. There was a negative correlation between numbers of nests and pest damage. AWA-colonized cashew trees had the lowest shoot damaged by Helopeltis spp., 4.8 and 7.5% in 2010 and 2011, respectively, compared to 36 and 30% in 2010 and 2011, respectively, in uncolonized cashew trees. Similarly, nut damage by P.wayi was lowest in AWA-colonized trees with 2.4 and 6.2% in 2010 and 2011, respectively, as compared to 26 and 21% in 2010 and 2011, respectively, in uncolonized trees. Interaction between AWA and dominant ant species, namely big-headed ant (BHA), Pheidole megacephala Fabricius, and common pugnacious ant (CPA), Anoplolepis custodiens Smith, was examined because of the implication that the dominant ant species may have on the efficacy of AWA in its control of sap-sucking pests of cashew. Abundance of AWA was significantly negatively correlated to BHA (r(39) = -0.30; P < 0.0001) and CPA (r(39) = -0.18; P = 0.01) at Bagamoyo in 2010. A similar trend was also observed at Mkuranga. The presence of these ant species may therefore hinder effectiveness of AWA to control sap-sucking pests in cashew in Tanzania. Therefore, suppression of these two inimical ant species should be emphasized for effective control of the sap-sucking pests in cashew fields. It was therefore also important to establish the abundance and diversity of ant species occurring in cashew agro-ecosystems. Results from pitfall traps revealed the diversity and abundance of ants in cashew agro-ecosystems: a total of 14001 ants were trapped belonging to six subfamilies, 18 genera and 32 species. The ant species diversity was high in the cashew fields at two of the four sites, namely Mkuranga A and Kibaha during both seasons. CPA was the most abundant ants in the pitfall traps. It is an important aspect that should be addressed for effective control of sap-sucking pests in cashew fields with AWA, since the correlation between AWA and CPA abundance was found to be negative. The effect of alternative fungicides to sulphur dust used for powdery mildew disease (PMD) on AWA was also investigated. No significant difference could be found in the effect ofthe different fungicides on the number of leaf nests and colonization of trails. In order to develop AWA as a component of cashew integrated sap-sucking insect management, strategies for their conservation during cashew off-seasonswas evaluated. The use of fish and hydramethylon (Amdro®) as baits increased the number of leaf nests and colonization trails of AWA over the control during off-season; however, the increase was significantly high when both fish and hydramethylon were used together. Fish and hydramethylon can therefore be used for conservation of AWA during off-season. It can therefore be concluded that AWA effectively controls sap-sucking pests on cashew and can be conserved during off-season using disposal waste such as fish intestines. Fungicides used for the control of PMD did not have detrimental effects on AWA abundance and can therefore be integrated as a component of cashew IPM. / PhD (Environmental Sciences), North-West University, Potchefstroom Campus, 2013

Asthma is a chronic disease of the airways and affects many people regardless of their age, gender, race and socioeconomic status. Since asthma is recognised as one of the major causes of morbidity and mortality in people and especially in South Africa, the prescribing patterns, prevalence and medication cost of asthma in South Africa are saliently important and need to be investigated. A non-experimental, quantitative retrospective drug utilisation review was conducted on medicine claims data of a pharmaceutical benefit management company in a section of the private health care sector of South Africa. The study period was divided into four annual time periods (1 January 2008 to 31 December 2008, 1 January 2009 to 31 December 2009, 1 January 2010 to 31 December 2010 and 1 January 2011 to 31 December 2011). The prescribing patterns and cost of asthma medication were investigated and stratified according to province, age and gender. Patients were included if the prescriptions which were provided by the health care practitioners matched the Chronic Disease List (CDL) of South Africa and the International Classification of Disease (ICD-10) coding for asthma and chronic obstructive pulmonary disease (COPD). Data analysis was conducted by means of the SAS 9.3® computer package. Asthma patients were divided according to different age groups (there were five different age groups for this study), gender and geographical areas of South Africa. The study indicated a steady increase in the prevalence of asthma patients from 0.82% (n = 7949) in 2008 to 1.18% (n = 15 423) in 2009 and reached a minimum of 0.79% (n = 8554) in 2011. Analysis of the prevalence regarding geographical areas in South Africa suggested that Gauteng had the highest number [n = 17 696, (0.85%)] of asthma patients throughout the study period, followed by KwaZulu Natal [n = 8 628, 1.16%)] and the Western Cape [(n = 8513, 0.97%) (p < 0.05)]. The prevalence of asthma in female patients [0.89% (n = 26 588)] was higher than in their male counterparts [0.79% (n = 19 244)] (p > 0.05). The results showed that asthma was not as common chronic disease in children. The total number of asthma patients younger than 7 years represented 0.64% (n = 2 909). It was found that patients over 65 years of age showed the highest prevalence of the five age groups [1.94% (n = 13 403) (p < 0.05)]. The average number of asthma prescriptions per patient per year was 8.28 (95% CI, 8.16- 8.40) and 5.15 (95% CI, 5.06-5.23) in 2008 and 2011, respectively. The number of asthma items per prescription varied from 1.55 (95% CI, 1.55-1.56) in 2008 to 1.40 (95% CI, 1.39- 1.40) in 2011. Medication from the MIMS® pharmacological group (anti-asthmatics and bronchodilators) was used to identify asthma medication. The top three asthma medication with the highest prevalence in the study period were the anti-inflammatory inhaler of fluticasone (n = 39 721) followed by the single item combination product of budesonide/ formoterol (n = 25 121) and salbutamol (n = 24 296). The influence of COPD on asthma treatment and the costimplication thereof were investigated. Medication from the MIMS® pharmacological group (anti-asthmatics and bronchodilators) was used to identify COPD medication. This study also showed that COPD had an influence in the economic burden of the South African asthma population. The cost of medication is responsible for the single largest direct cost involved in the economic burden of asthma. This study showed that asthma represented 0.88% of the direct medication cost in the study (excluding hospitalisation and indirect cost). The average cost per prescription and average cost per asthma item both increased throughout the study period. The prescribing patterns for the different medication used in the treatment of asthma were investigated and recommendations for further research in this field of study were made. / MPharm (Pharmacy Practice), North-West University, Potchefstroom Campus, 2014

Explicating the nature and concomitants of eudaimonic well-being is currently at the forefront of research on a fulfilling life and functioning well. However, the strength of research conducted on constructs is dependent on the quality of instrumentation. In view of this notion, Waterman et al. (2010) developed the Questionnaire for Eudaimonic Well-Being (QEWB) to operationalise their conceptualisation of eudaimonic well-being and explored the scale’s validity in American student samples. In particular, they confirmed a good fit of a unidimensional factor structure by using parcelled indicators in confirmatory factor analysis. Research on the applicability of this measure within the other cultural contexts needs to take cognisance of aspects such as conceptual equivalence, translation issues, and validity criteria. To contribute to the adaptation of the QEWB for the multilingual South African context, the aim of this study was to explore the structural and external validity of English, Afrikaans, and Setswana versions of the QEWB. A cross-sectional questionnaire survey design was used for data gathering. The sample (n = 975) consisted of students from a large university in South Africa, who completed either the English (n = 325), Afrikaans (n = 478), or Setswana (n = 172) version of the scale. To investigate the structural validity of the scale, descriptive statistics, reliability coefficients, and the scale’s factor structure were scrutinised. Regarding the latter, confirmatory factor analyses with both parcel- and item-level indicators, as well as principal component analyses were examined to assess the fit of a one-factor model. Exploratory factor analyses were conducted to further explore the dimensionality of the scale. External validity was examined by considering the attenuation corrected correlational patterns between scores on the QEWB and measures of well-being and ill-being. Results showed that item- and scale-level scores were mostly negatively skewed, with high average scores. Internal consistency reliability statistics indicated satisfactory reliability, except for a small mean interitem correlation for the Setswana instrument. Although adequate goodness of fit statistics of parcel-level confirmatory factor analyses supported Waterman et al.’s (2010) notion of a one-factor structure, the assumption of unidimensionality within parcels was not satisfied, which suggested that these analyses could have masked multidimensionality. A lack of fit of the one-factor model was shown by a number of small or negative interitem and item-total correlations, insufficient fit indices for item-level confirmatory factor analyses, and a small proportion of variance explained by the first unrotated component in principal component analysis. Exploratory factor analyses indicated a three-factor model, where the factors Sense of Purpose, Active Involvement in Beliefs, and Effortful Engagement were distinguished. For the English scale, a four-factor model was also sensible. Items that may need modification for the current context were identified. Support for convergent and discriminant validity was established. This study contributed to a further validation of the QEWB and highlighted its multidimensional structure for the groups involved. Further evaluation of the scale on conceptual and empirical levels is indicated, also specifically for applicability within the South African multilingual context. / Thesis (MSc (Clinical Psychology)--North-West University, Potchefstroom Campus, 2013.

Support services are indispensable for the effective functioning of education. Support services render specific, specialized services to the school (the site of instruction), teachers (trainers) and pupils (learners) and constitute part of the system of both formal and non-formal education. Although contributions by South African authors such as Ruperti, Van Schalkwyk and Lazarus and Donald provide valuable information, there is at present a need for a model for support services to provide in the changing needs of the target group. In this research the various theories with regard to support services as a component of the education system and the mini-education system were discussed. Some brief examples of support services as they function in practice were also discussed. An analysis was made of the different viewpoints, a new perspective provided on support services, and possible organizational structures were discussed for purposes of the organization of support services within the education system. Subsequently attention was directed to the personal situation of the trainer. From the literature it was demonstrated that the trainer would benefit by the support services with regard to both his professional and academic equipment, the different relationships in which he finds himself, his personality profile and his personal circumstances. Attention was then focused on the various fields in which educational events and structures in the South African education system can make use of support services in order to function more optimally. From the literature the conclusion was reached that the educational events and structures can be supported with regard to the equipping task of the site of instruction, management tasks situated in the site of instruction and the physical facilities of the site of instruction. It was also indicated from the literature that the learner has a need with regard to his personal situation. Support needs in the case of the learner were discussed by way of handicaps of learners, disabilities of learners, the parental community in which the learner finds himself, and the extent of stress experienced by the learner. Interviews were conducted with focus groups in practice in order to determine whether the needs for support services as identified from the literature were valid needs. Following this research a model for support services in an education system was proposed by way of graphic representations supported by discussions. Attention was also given to a possible organizational structure according to which one could manage such support services. In conclusion, the research was summarized in brief. Certain findings were underlined in terms of the objectives and certain recommendations were made with regard to possiblities for further research emanating from the results of this project. / Proefskrif (PhD (Vergelykende Opvoedkunde))--PU vir CHO, 1997