4. Electronic Theses and Dissertations (ETDs) - Faculties submissions

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    A Framework for Integrating Simulation into the Bachelor of Nursing Science Programme in Eswatini
    (University of the Witwatersrand, Johannesburg, 2024) Shongwe, Sithembile Siphiwe; Armstrong, Susan J.
    Background: Simulation-based education is a required pedagogical method for preparing undergraduate students to become nurses. Its ultimate goal is to develop practice-ready professionals rather than introduce the latest technology into training. In Eswatini, simulation is used; however, no framework guides nursing education institutions on how to integrate simulation into their educational programmes to enhance clinical teaching and learning effectively. Purpose: The aim of this study was to develop a framework for integrating simulation into the Bachelor of Nursing Science programme in Eswatini. Research methods: A mixed methods approach utilising multilevel designs guided the inquiry process. Inferences drawn from the various strands of the mixed methods data were integrated to address the study problem. Phase one was a scoping review conducted to explore best practices of simulation-based education in the educational preparation of undergraduate nursing students locally (sub-Saharan Africa) and internationally. A Joanna Briggs Institute methodological approach guided the research process. Sixty articles were included in this scoping review. Phase two was a survey study conducted to assess the state of simulation use in the educational preparation of Bachelor of Nursing Science Students in Eswatini through auditing four (4) simulation laboratories (Study A) and a survey with (n=46) nurse educators, a census (total) sampling technique was used to select the study participants. Phase three used an iterative process together with simulation experts (n=2) to develop the framework and to identify activities to consider when integrating simulation in Eswatini. These were sourced from tabulated lessons learned or inferences drawn based on the findings of phases 1 and 2. The NLN Jeffries simulation theory guided the development of the framework. In phase four, Eswatini nurse educator experts (n=16) evaluated the framework’s utility in a Delphi study completed in two rounds. Findings: In phase one, best practices principal to simulation-based education emerged. The study findings were inductively developed, resulting in four core codes, namely: (i) lecturer preparation, (ii) student elements, (iii) designing simulations and (iv) innovations in simulation. Ninety-five per cent (95%) of the literature was from international settings compared to 5% from the African context. Phase two: Eswatini nursing education institutions were somewhat ready for simulation; this status was attributed to the lack of trained educators in simulation principles, a lack of financial and resource planning and limited infrastructure and equipment for supporting simulation-based education. Phase three: a framework with the following five domains was developed to guide the process of integrating simulation into the Nursing Education programme in Eswatini: Training or preparation of educators; Integration of simulation into the nursing/midwifery programme; Simulation equipment; Simulation infrastructure; and Student/simulation participants. Phase four: Eswatini nurse educators found the framework relevant and suggested feasible strategies for the Eswatini nursing education context. The strategies included sensitising management to increase simulation-based education support and sourcing funding for procuring equipment and infrastructure development. Conclusion: The framework for integrating simulation into the Bachelor of Nursing Science Programme was designed to allow a step-by-step implementation approach due to existing contextual challenges. The challenges include a lack of trained educators/lecturers on simulation-based education principles, an absence of simulation champions, insufficient equipment, infrastructure inadequacies, fiscal constraints and dwindling management support. The framework can potentially guide the successful integration of effective simulation into Eswatini nursing education institutions. Recommendations: There is a need for the current nurse educators to be trained in the simulation teaching and learning strategy to ensure the effective use of simulation-based education. Nursing education institutions must develop financial plans for funding the required simulation resources (educators’ training, equipment and infrastructure) to ensure the sustainability of simulation-based education
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    Engaging with Immigrant Adolescent Learners to Co-construct an Acculturation Strategy for Integration in South African Schools
    (University of the Witwatersrand, Johannesburg, 2023-03) Mabvira, Agrippa; Masinga, Poppy; Pillay, Roshini
    Immigrant adolescent learners have a dual task of acculturating into new society whilst adjusting to normative age-related psychological, social and biological developments. Hence, a theory-driven, and evidence-based acculturation strategy for integration is imperative in aiding immigrant adolescents as they navigate through the simultaneous occurrence of developmental milestones with acculturation related tasks. In this study, I aimed to explore the affordances and challenges faced by immigrant adolescent learners during their process of acculturation and use the findings to co-construct an acculturation strategy for integration. The paradigm of this intervention study is critical realism. The two theoretical frameworks that I used to underpin this study are the human capabilities approach and acculturation theory. This qualitative study used participatory action research, to ensure active involvement of twelve (12) immigrant adolescent learners as co-researchers. I used purposive sampling strategy to recruit participants from three public schools in the Mthatha Township, Eastern Cape Province, South Africa (SA). Data was collected through photovoice and focus group discussions. I then analysed the data using thematic data analysis which yielded a synthesis of affordances and challenges to acculturation. Findings of this study offered rich and thick descriptions of co-researchers’ perspectives on how to foster successful acculturation and integration. Main findings include that language proficiency is a key determinant factor of acculturation outcomes. Hence, co-researchers recommended language support and immersion programmes. Moreover, discrimination by peers, educators, and community members emerged as a major impediment to integration. To address the problem of discrimination, this study recommends a culturally responsive curriculum in schools, intercultural training for educators and awareness campaigns that should focus on attitudinal change for communities. Another significant output of this study are recommendations given to various stakeholders who are key to an acculturation strategy for the integration of immigrant adolescent learners in SA schools. Moreover, supported by critical realism, the study calls for broader multiculturalism and diversity education to facilitate the integration of immigrant adolescent learners.
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    Coaching managers to facilitate integration after an agricultural acquisition in South Africa
    (2020) Mashile, Theodorah Dudu
    Generally, organisations continuously search for ways to enhance the capabilities of their leaders to maintain pace with the ever-evolving business environment. Leaders frequently lack dynamic leadership behaviour; consequently, they need effective interventions to develop their emotional and social intelligence competencies to achieve their organizational or work-related goals. The current study aimed to investigate the role of coaching in facilitating team integration after an acquisition. Majority of influential managers come from environments where technical, financial and operational knowhow were a priority, and these skills have provided little help when it comes to guiding people through change. The research followed the interpretive worldview. Data was collected from managers who have several people directly reporting to them. The sample consisted of mid-managers leading teams from both the acquired and acquiring companies. Face-to-face interviews were held with the participants—also, observations, detailed notes and researcher reflections. Research findings confirmed that managers have a gap of being more taskorientated and less on being people orientated could be closed through coaching managers through this transition. The findings of the study further suggest that coaching can be used as a tool to develop the required skills to handle most changes that come with the integration stage. Coaching has the potential to assist leaders to recognise their own emotions better and also acknowledge and manage their teams' emotions during the most uncertain period of organisational change. It helps to rely on their strengths and focus on their areas of development to lead and embrace change
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    Cryptocurrencies and African financial markets: integration, risk analysis, and diversification
    (2021) Kumah, Seyram Pearl
    The international financial system has witnessed cryptocurrencies as new financial instruments with increased growth in both volume and value and unique risk (return) benefits. The cryptocurrency market is integrating with financial markets which may induce increased investor participation with the chance of excessive liquidity in the cryptocurrency market. This can impair financial stability should there be shocks to the cryptocurrency markets. However, there is as yet little established scientific knowledge about the impact of cryptocurrencies on financial markets with African financial markets completely untouched. Such knowledge is critical since shocks to cryptocurrency markets may have rippling effects on the financial markets. The thesis contributes to fill this gap by investigating the nexus between cryptocurrencies and traditional asset classes in the African financial markets. This may help in understanding the microstructure of financial markets in general and the functioning of African markets in particular for regulating the general financial system. The thesis is organized into four empirical essays, each focusing on a research problem. The first essay examines the level of integration between cryptocurrencies and African stock markets using wavelet-based methods. Findings suggest low degrees of integration between the markets at higher frequencies, but this grows stronger at medium frequencies and perfectly integrates at lower frequencies. Implying that stock markets in Africa are highly exposed to cryptocurrency market disruptions from the medium-term and international investors seeking to hedge their price risk in African stock markets using cryptocurrencies may have to look at the short-term. The phase difference arrow vectors and cross-correlation analysis implying lead (lag) effects are time-varying and heterogeneous, showing no particular cryptocurrency or stock market as leader or follower. Different markets have the potential to lead or lag other markets at varying scales which may induce arbitrage opportunities for international and local investors. The second essay tests the ability of cryptocurrencies as viable alternatives to African fiat currencies during turbulent and tranquil currency conditions implementing the ensemble empirical mode decomposition-based quantile-in-quantile regression. The essay establishes that cryptocurrencies behave differently from African fiat currencies, showing significant negative relationship during extreme fiat currency regimes at medium and lower frequencies. This suggests cryptocurrencies as viable alternative digital currencies and good hedges for African fiat currencies form the medium-term. This essay affords policymakers in Africa and across the globe seeking for viable alternative digital currencies to mitigate currency crises to consider cryptocurrencies from the medium-term. Forex traders may also compensate for losses from currency shocks by using cryptocurrencies to hedge USD/African fiat currency exchange rate risk. In the third essay, we perform cryptocurrency market risk analysis focusing on tail risk and frequency spillover connectedness. The FZL function for joint Value-at-Risk and Expected Shortfall was used to measure tail risk, compare the level of risk, and capital adequacy of cryptocurrencies. Findings suggest Ethereum and Steller as less risky, followed by Monero, Das, Litecoin, Bitcoin, and Ripple, implying that Ethereum and Steller require the least capital to absorb losses. Investigating the time-varying interconnectedness across cryptocurrencies, the study posits that cryptocurrencies are strongely interconnected at high frequencies suggesting contagion risk in the cryptocurrency market and that diversification opportunity is low in the short-term. The essay also evidences time-varying volatility shock transmissions across cryptocurrencies. Economic actors interested in cryptocurrencies can follow this easy to hedge, calculate margins, and capital required to ensure financial stability in the global economy. The fourth essay sheds light on the hedging properties of seven cryptocurrencies (Bitcoin, Litecoin, Ethereum, Das, Ripple, Monero, and Steller) for gold and crude oil price fluctuations at bear (bull) markets across time employing wavelet-based quantile-in-quantile regression. The essay finds that cryptocurrencies provide negative dependences for extreme gold and crude oil price fluctuations from the medium-term, and that all cryptocurrencies are hedges for gold price fluctuations but only four cryptocurrencies (Ethereum, Monero, Ripple, and Steller) are hedges for crude oil price volatilities. The essay also evidences bidirectional causal effects among the assets establishing that when the cryptocurrency market is bearish and the price of gold and crude oil is low, economic actors can hedge the downside risk of the commodities or cryptocurrencies across time using either of the assets. The essay provides precise information to economic agents on risk mitigating strategies for gold and crude oil markets