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Towards a framework for the integration of information security into undergraduate computing curricula

  • Authors: Gomana, Lindokuhle Gcina , Thomson, Kerry-Lynn
  • Date: 2017
  • Subjects: Information technology -- Study and teaching , Computer security -- Study and teaching Educational technology Computer networks -- Security measures
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/13691 , vital:27296
  • Description: Information is an important and valuable asset, in both our everyday lives and in various organisations. Information is subject to numerous threats, these can originate internally or externally to the organisation and could be accidental, intentional or caused by natural disasters. As an important organisational asset, information should be appropriately protected from threats and threat agents regardless of their origin. Organisational employees are, however, often cited as the “weakest link” in the attempt to protect organisational information systems and related information assets. Additionally to this, employees are one of the biggest and closest threat-agents to an organisation’s information systems and its security. Upon graduating, computing (Computer Science, Information Systems and Information Technology) graduates typically become organisational employees. Within organisations, computing graduates often take on roles and responsibilities that involve designing, developing, implementing, upgrading and maintaining the information systems that store, process and transmit organisational information assets. It is, therefore, important that these computing graduates possess the necessary information security skills, knowledge and understanding that could enable them to perform their roles and responsibilities in a secure manner. These information security skills, knowledge and understanding can be acquired through information security education obtained through a qualification that is offered at a higher education institution. At many higher education institutions where information security is taught, it is taught as a single, isolated module at the fourth year level of study. The problem with this is that some computing students do not advance to this level and many of those that do, do not elect information security as a module. This means that these students may graduate and be employed by organisations lacking the necessary information security skills, knowledge and understanding to perform their roles and responsibilities securely. Consequently, this could increase the number of employees who are the “weakest link” in securing organisational information systems and related information assets. The ACM, as a key role player that provides educational guidelines for the development of computing curricula, recommends that information security should be pervasively integrated into computing curricula. However, these guidelines and recommendations do not provide sufficient guidance on “how” computing educators can pervasively integrate information security into their modules. Therefore, the problem identified by this research is that “currently, no generally used framework exists to aid the pervasive integration of information security into undergraduate computing curricula”. The primary research objective of this study, therefore, is to develop a framework to aid the pervasive integration of information security into undergraduate computing curricula. In order to meet this objective, secondary objectives were met, namely: To develop an understanding of the importance of information security; to determine the importance of information security education as it relates to undergraduate computing curricula; and to determine computing educators’ perspectives on information security education in a South African context. Various research methods were used to achieve this study’s research objectives. These research methods included a literature review which was used to define and provide an in-depth discussion relating to the domain in which this study is contained, namely: information security and information security education. Furthermore, a survey which took the form of semi-structured interviews supported by a questionnaire, was used to elicit computing educators’ perspectives on information security education in a South African context. Argumentation was used to argue towards the proposed framework to aid the pervasive integration of information security into undergraduate computing curricula. In addition, modelling techniques were used to model the proposed framework and scenarios were used to demonstrate how a computing department could implement the proposed framework. Finally, elite interviews supported by a questionnaire were conducted to validate the proposed framework. It is envisaged that the proposed framework could assist computing departments and undergraduate computing educators in the integration of information security into their curricula. Furthermore, the pervasive integration of information security into undergraduate computing curricula could ensure that computing graduates exit higher education institutions possessing the necessary information security skills, knowledge and understanding to enable them to perform their roles and responsibilities securely. It is hoped that this could enable computing graduates to become a stronger link in securing organisational information systems and related assets.
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  • Date Issued: 2017

User experience guidelines for mobile natural user interfaces: a case study of physically disabled users

  • Authors: Jacobs, Gershwin
  • Date: 2017
  • Subjects: User interfaces (Computer systems) Human-computer interaction , Mobile computing Augmented reality
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/17547 , vital:28377
  • Description: Motor impaired people are faced with many challenges, one being the of lack integration into certain spheres of society. Access to information is seen as a major issue for the motor impaired since most forms of interaction or interactive devices are not suited to the needs of motor impaired people. People with motor impairments, like the rest of the population, are increasingly using mobile phones. As a result of the current devices and methods used for interaction with content on mobile phones, various factors prohibit a pleasant experience for users with motor impairments. To counter these factors, this study recognizes the need to implement better suited methods of interaction and navigation to improve accessibility, usability and user experience for motor impaired users. The objective of the study was to gain an understanding of the nature of motor impairments and the challenges that this group of people face when using mobile phones. Once this was determined, a solution to address this problem was found in the form of natural user interfaces. In order to gain a better understanding of this technology, various forms of NUIs and the benefits thereof were studied by the researcher in order to determine how this technology can be implemented to meet the needs of motor impaired people. To test theory, the Samsung Galaxy s5 was selected as the NUI device for the study. It must be noted that this study started in the year 2013 and the Galaxy S5 was the latest device claiming to improve interaction for disabled people at the time. This device was used in a case study that made use of various data collection methods, including participant interviews. Various motor impaired participants were requested to perform predefined tasks on the device, along with the completion of a set of user experience questionnaires. Based on the results of the study, it was found that interaction with mobile phones is an issue for people with motor impairments and that alternative methods of interaction need to be implemented. These results contributed to the final output of this study, namely a set of user experience guidelines for the design of mobile human computer interaction for motor impaired users.
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  • Date Issued: 2017

Work-readiness of university graduates: a professional accounting educational expectation gap in South Africa

  • Authors: Schoeman, Lynn Antoinette
  • Date: 2017
  • Subjects: Accountants -- Employment -- South Africa -- Students , College graduates -- Employment -- South Africa School-to-work transition -- South Africa Employability -- South Africa -- Students
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/20455 , vital:29288
  • Description: The constant change in the business environment versus the curriculum content of accounting educational programmes result in a possible gap between the competencies gained by students who complete their degree qualifications compared to the expectations of employers of these entering trainee accountants. However, the universities do endeavour to teach students the syllabus that will provide them with sufficient information and skills to be able to complete the tasks expected from them without much learning following university. Universities face increasing pressure to ensure graduates are equipped with the right employability skills (Osmani, Weerakkody & Hindi, 2017) yet literature show that graduates entering the workforce are not sufficiently equipped with all the necessary non-technical skills required by the accounting profession (Fouché, 2013). The research for this study was guided by the question whether universities sufficiently prepare entering trainee accountants with regards to work-readiness skills and whether a gap exists between the level of work-readiness skills expected by employers in professional accounting practice, and the actual level of capability of these skills transferred through the formal professional accounting educational programmes offered by universities in South Africa. Published literature reviewed on the work-readiness of graduates showed that an educational gap could exist between the skills required by employees and the skills that entering trainee accountants possess. Semi-structured interviews were conducted to gather data from supervisors and/or coordinators from Accredited Training Centres (ATCs) in the Nelson Mandela Bay Region of the South African Institute of Professional Accountants (SAIPA) on their perception of the level of capability expected of entering trainee accountants. The findings of this study showed that the universities provide entering trainee accountants with sufficient knowledge insofar as their technical abilities are concerned. However, employers perceive entering trainee accountants‟ capabilities in terms of their work-readiness skills, as insufficient.
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  • Date Issued: 2017

A study of lanthanide complexes with di-2-pyridyl ligands

  • Authors: Coetzee, Louis-Charl Cloete
  • Date: 2016
  • Subjects: Rare earth metals
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/4731 , vital:20659
  • Description: The ligands di(2-pyridyl) ketone (DPK) and cis-1,2 di(2-pyridyl) ethylene (DPE) are N,N,Odonor ligands that can undergo nucleophilic addition and become more flexible for coordination. The reaction between the lanthanide thiocyanate salt and DPK gave rise to seven novel complexes of the general formula [Ln(NCS)3(DPKOH)3], where Ln = La, Ce, Nd, Eu, Tb, Dy and Ho. 1H NMR spectroscopy verified that the ligand underwent nucleophilic addition upon coordination. This was further confirmed using UV-Vis spectroscopy which showed a shift in the absorption bands due to conjugation of electrons within the pyridyl ring upon coordination. UV-Vis spectroscopy was also utilised to test the covalent character of the neodymium and holmium complexes. X-ray diffraction and IR spectroscopy showed that three DPK ligands coordinated bidentately through a pyridinic nitrogen and a hydroxyl oxygen, while three isothiocyanato molecules completed the coordination environment around each metal. Furthermore, X-ray diffraction also revealed that these complexes are isostructural, ninecoordinate and the polyhedron which encloses each ion is of trigonal tricapped prismatic shape with D3h symmetry. Micro-analysis on all the complexes, except lanthanum and holmium confirmed the molecular formulae produced from the crystallographic data of each complex. The reaction between the lanthanide thiocyanate salt and DPE produced poor quality crystals which could not be detected by X-ray diffraction. The lanthanide salts used for this reaction were lanthanum, neodymium, europium, dysprosium and holmium. Upon coordination, conductivity measurements detected the presence of lanthanide ions in each solution. 1H NMR and IR spectroscopic studies showed that the ethylenic moiety of DPE underwent nucleophilic addition upon coordination. UV-Vis spectroscopy further confirmed nucleophilic addition upon coordination due to shifts in absorption bands. IR spectroscopy verified the possibility of a bidentate coordination to each metal through a pyridinic nitrogen and a hydroxyl oxygen as well as a monodentate coordination through isothiocyanato ligands. A micro-analysis on all the complexes provided the molecular formulae that can best fit each complex. The effect of the solvent molecules on the bonding parameters of the lanthanum complex was investigated. An analysis of the results produced from crystallographic data revealed the presence of intermolecular forces which interacted and stabilised the complex.
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  • Date Issued: 2016

A study of the art object as performative

  • Authors: Minkley, Emma Smith
  • Date: 2016
  • Subjects: Arts -- Miscellanea , Art objects
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/12042 , vital:27022
  • Description: My research project explores conventions in art-making and viewing via the notion of the performative art object. The performative (derived from J.L. Austin and Judith Butler’s formulations of the word) is here used predominantly as a term to denote a generative, experiential and iterative process (in this case outlined by art theorist Barbara Bolt) in which intuitive or playful actions of both artist and spectator dictate the route of research. The project, following an A/r/tographical cycle of theoriapraxis-poesis (or theory/research - doing/learning - art/making) as defined by Rita Irwin, thus investigates the relations inherent between artists, spectators or viewers, and objects, and how these may change according to the spaces they are conceived in; from art gallery to urban “non-art” environments. It deals with the inclusion of process or performativity within, or in relation to the art object and how this take on the traditionally static object may have the capacity to change how artworks are envisaged, and more significantly, how they are received, in terms of the effects they (in combination with the viewer) have on the world around them. Blurred in the context of performativity, the art object may become a means of documenting process and in a sense may act as a ‘prop’ for artistic research. This enquiry has involved the study of process and play, as related to creative practice, via a series of object-based events or interventions (including gallery exhibitions and other “non-art” events initiated by the artist outside of conventional art-related space) which have been documented and included in the theoretical research as a means of providing a first-hand narrative of theoretical ideas put into practice. Here Diana Taylor’s understanding of interrelated modes of storing and enacting knowledge as posed in the notion of the archive and repertoire has been utilised as a means of collecting and collating performative and ephemeral research. These events/interventions have further served as a means of gauging viewer interaction and participation, thus actively involving the viewer in the creative act. Jacques Rancière’s notion of the emancipated spectator is here utilised to activate the role of the viewer. In this regard, Martin Heidegger’s concept of handiness or handling serves as a means of “emancipating” spectators by encouraging tactile viewership. It is my intent to open up or reveal new modes of thinking or doing within the viewer when he or she enters a state of performative play within these events. Here the status of the art object is challenged and in this way has the potential to subvert or confront problematic repetitions, both in the identity of the viewer and the space occupied in each event.
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  • Date Issued: 2016

Absorptive capacity for responding to environmental: change an assessment of three public-sector agencies

  • Authors: Mc Culloch, Samantha
  • Date: 2016
  • Subjects: Global environmental change Absorptive capacity (Economics)
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/11762 , vital:26966
  • Description: In a time of global environmental instability, public-sector organisations that manage and protect natural resources, which are needed for human wellbeing, play an increasingly important role. These organisations frequently have to weigh up the costs and benefits of managing natural resources and their services for the public good. Management of social-ecological systems is commonly characterised by uncertainty, disagreement and trade-offs. In South Africa, these challenges are compounded by the fact that mandated organisations are often inadequately resourced in terms of finances, skilled staff and infrastructure. In order to maintain the resilience and robustness of social-ecological systems, public-sector organisations need to cultivate a set of dynamic capabilities, with strong emphasis on learning from their experiences and adapting their management strategies, to innovate and improve their performances. Absorptive capacity (AC) has been described as the ability of an organisation to recognise the value of new external information, acquire it and assimilate it within the organisation, transforming it by applying it with existing knowledge and exploiting the new knowledge for benefit. Organisations with good AC are able to recognise rapidly changing environments and address them by renewing and building on their levels of skill, knowledge and capability to deal with change. This construct has been extensively researched in industries related to business and technology, where its development has been found to stimulate innovative capabilities. There has, however, been little research into its relevance for public-sector organisations or organisations with environmental mandates. This study used methodological triangulation to assess the perceptions of employees on the current state of AC in three public-sector organisations with environmental mandates. This was done to gain insight into their capacity to absorb information and apply their new knowledge in decision-making, in a manner that navigates through environmental change. The key findings of this research suggest that knowledge transformation and exploitation are enhanced by in-house research capabilities and cross-functional interface between internal departments. These findings also suggest that the acquisition of knowledge is not only determined by the in-house research capacity but also depends on the resources available to these departments in terms of time, finances and skilled staff. There was minimal evidence of knowledge exploitation; however, obstacles that were highlighted as hindering this process included individual responsibility and motivation, as well as general organisation capacities, such as communication hierarchies, funding, time and organisational silos. This research found that the well-studied concept of AC can be used as an institutional mechanism to assess and promote adaptive capacity in public-sector organisations with environmental mandates to navigate and innovate through the Anthropocene.
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  • Date Issued: 2016

An investigation of the history and works of the Keiskamma Art Project

  • Authors: Osner, Heather
  • Date: 2016
  • Subjects: Community arts projects -- South Africa -- Eastern Cape , Artists and community -- South Africa
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/13038 , vital:27146
  • Description: This research study focusses on how and why Carol Hofmeyr began the Keiskamma Art Project in Hamburg, Eastern Cape, as well as the development of the project’s infrastructure, history and detailed business practices and how it has evolved. A chronological detailed pictorial record has been drawn up of the major/monumental works it has produced, its achievements, awards and the accolades it has won. The recurrent narrative themes of HIV/AIDS, Nguni cattle, the Nongquawuse story, local birds, plants and fish which are also discussed. A comparable study, comparing the business practices of the Keiskamma Art Project with the research of Professor Ingrid Stevens on Morris & Co and five other successful, sustained South African Art Projects. Data has been tabulated in an effort to recognise the variances, similarities and differences in an effort to identify a “best practise” business model. Such a model may assist in the development of further art projects, so as to uplift other poverty stricken communities in South Africa. This research study focusses on how and why Carol Hofmeyr began the Keiskamma Art Project in Hamburg, Eastern Cape, as well as the development of the project’s infrastructure, history and detailed business practices and how it has evolved. A chronological detailed pictorial record has been drawn up of the major/monumental works it has produced, its achievements, awards and the accolades it has won. The recurrent narrative themes of HIV/AIDS, Nguni cattle, the Nongquawuse story, local birds, plants and fish which are also discussed. A comparable study, comparing the business practices of the Keiskamma Art Project with the research of Professor Ingrid Stevens on Morris & Co and five other successful, sustained South African Art Projects. Data has been tabulated in an effort to recognise the variances, similarities and differences in an effort to identify a “best practise” business model. Such a model may assist in the development of further art projects, so as to uplift other poverty-stricken communities in South Africa.This research study focusses on how and why Carol Hofmeyr began the Keiskamma Art Project in Hamburg, Eastern Cape, as well as the development of the project’s infrastructure, history and detailed business practices and how it has evolved. A chronological detailed pictorial record has been drawn up of the major/monumental works it has produced, its achievements, awards and the accolades it has won. The recurrent narrative themes of HIV/AIDS, Nguni cattle, the Nongquawuse story, local birds, plants and fish which are also discussed. A comparable study, comparing the business practices of the Keiskamma Art Project with the research of Professor Ingrid Stevens on Morris & Co and five other successful, sustained South African Art Projects. Data has been tabulated in an effort to recognise the variances, similarities and differences in an effort to identify a “best practise” business model. Such a model may assist in the development of further art projects, so as to uplift other poverty stricken communities in South Africa.This research study focusses on how and why Carol Hofmeyr began the Keiskamma Art Project in Hamburg, Eastern Cape, as well as the development of the project’s infrastructure, history and detailed business practices and how it has evolved. A chronological detailed pictorial record has been drawn up of the major/monumental works it has produced, its achievements, awards and the accolades it has won. The recurrent narrative themes of HIV/AIDS, Nguni cattle, the Nongquawuse story, local birds, plants and fish which are also discussed. A comparable study, comparing the business practices of the Keiskamma Art Project with the research of Professor Ingrid Stevens on Morris & Co and five other successful, sustained South African Art Projects. Data has been tabulated in an effort to recognise the variances, similarities and differences in an effort to identify a “best practise” business model. Such a model may assist in the development of further art projects, so as to uplift other poverty stricken communities in South Africa.
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  • Date Issued: 2016

Biological activities of selected South African medicinal plants traditionally used to treat urinary tract infections

  • Authors: Mathobela, Kegomoditswe Prudence
  • Date: 2016
  • Subjects: Medicinal plants -- South Africa , Urinary tract infections -- Treatment , Anti-infective agents -- South Africa
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/8059 , vital:24715
  • Description: Plants have been an important part of medicine and since the existence of human beings; they have been used to cure a variety of ailments such as diarrhoea, wounds and sexually transmitted diseases. Far from being out-dated, the use of traditional medicinal plants plays a significant role in drug discovery and remains a source of medicine still used by many South Africans. Diseases of the urinary tract can be treated using traditional medicinal plants. Although most cases of urinary tract infections (UTIs) are acute and uncomplicated, a few cases do become chronic and complicated. Resistance of pathogens causing UTIs to antibiotics normally used for treatment is one of the reasons for infections developing into the chronic and complicated state. In this study, medicinal plants indigenous to South Africa and traditionally used to treat UTIs were investigated in vitro for antimicrobial activities against UTI-causing pathogens. The plants investigated were Bulbine latifolia, Eucomis autumnalis, Hypoxis hemerocallidea and Trichilia dregeana. American Type Culture Collection (ATCC) microbial strains together with clinical strains were tested against distilled water, methanol and acetone extracts of the plants. The microbial strains included Enterococcus faecalis, Staphylococcus saprophyticus, Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa and Candida albicans. The agar well diffusion method was used to screen for antimicrobial activity; the microtiter dilution method to determine the minimum inhibitory concentration; and thin layer chromatography fingerprints to separate the mixtures of the extracts and determine the number of active compounds. The study also investigated the scientific rationale for the traditional use of plant combinations to treat diseases. Three plant combinations (1:1) were investigated for potential interactive properties, which were identified through the sum of the fractional inhibitory concentration index (ΣFIC) calculations. The plant combinations studied were Hypoxis hemerocallidea and Bulbine latifolia; Hypoxis hemerocallidea and Eucomis autumnalis; and Hypoxis hemerocallidea and Trichilia dregeana. In the study, more activity was observed in the microtiter dilution method as compared to the agar well diffusion method. This was true in both the studies of the plants independently and the combination studies. The independent plants displayed noteworthy MIC values (≤ 2 mg/ml) against E. coli, Kleb. pneumoniae, P. mirabilis, P. aeruginosa and C. albicans. The plant combinations studied did not show any synergistic interactions (ΣFIC ≤ 0.5). Only non-interactive (ΣFIC >1.0 - ≤4.0) and additive (ΣFIC >0.5-1.0) interactions were observed. The study contributes to the on-going investigation of antimicrobial activities of medicinal plants and highlights the need for further investigations on the synergistic interactions of the medicinal plants used in this study.
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  • Date Issued: 2016

Engendering the meaningful use of electronic medical records: a South African perspective

  • Authors: Chipfumbu, Colletor Tendeukai
  • Date: 2016
  • Subjects: Electronic records -- South Africa -- Management Information storage and retrieval systems -- Management , Medical records -- South Africa Medical records -- Data processing
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/18420 , vital:28635
  • Description: Theoretically, the use of Electronic Medical Records (EMRs) holds promise of numerous benefits in healthcare provision, including improvement in continuity of care, quality of care and safety. However, in practice, there is evidence that the adoption of electronic medical records has been slow and where adopted, often lacks meaningful use. Thus there is a clear dichotomy between the ambitions for EMR use and the reality of EMR implementation. In the USA, a legislative approach was taken to turn around the situation. Other countries such as Canada and European countries have followed suit (in their own way) to address the adoption and meaningful use of electronic medical records. The South African e-Health strategy and the National Health Normative Standards Framework for Interoperability in eHealth in South Africa documents both recommend the adoption of EMRs. Much work has been done to establish a baseline for standards to ensure interoperability and data portability of healthcare applications and data. However, even with the increased focus on e-Health, South Africa remains excessively reliant on paper-based medical records. Where health information technologies have been adopted, there is lack of coordination between and within provinces, leading to a multitude of systems and vendors. Thus there is a lack of systematic adoption and meaningful use of EMRs in South Africa. The main objective of this research is to develop the components required to engender meaningful use of electronic medical records in the South African healthcare context. The main contributors are identified as EMR certification and consistent, proper use of certified EMRs. Literature review, a Delphi study and logical argumentation are used to develop the relevant components for the South African healthcare context. The benefits of EMRs can only be realized through systematic adoption and meaningful use of EMRs, thus this research contributes to providing a road map for engendering the meaningful use of EMRs with the ultimate aim of improving healthcare in the South African healthcare landscape.
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  • Date Issued: 2016

Factors affecting the acceptance and meaningful use of picture archive and communication systems by referring clinicians in private practice

  • Authors: D'Assonville, Gustav Andre
  • Date: 2016
  • Subjects: Picture archiving and communication systems in medicine , Imaging systems in medicine
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/4688 , vital:20648
  • Description: A Picture Archive and Communication System (PACS) is a health information technology that facilitates the electronic storage, transmission, presentation and processing of digital medical-imaging datasets. The benefits of PACS have been well-documented. It provides a means to replace traditional film-based workflows and their inherent limitations. Referring clinicians’ acceptance is a critical factor in the overall success of a PACS implementation; and given the financial implications of project failure, research into physician acceptance and meaningful use is crucial. Very few PACS acceptance studies have focused on the referring clinicians, and even less in the context of the private sector. Therefore, the problem that this research aims to address is: There is a lack of understanding on which factors influence PACS acceptance and the meaningful use thereof by referring clinicians in private practice. This explorative study follows an embedded mixed methodology approach in order to meet the research objectives, favouring a qualitative method of inquiry with the support of a quantitative strand. Electronic questionnaires were distributed to private practice referring clinicians to probe the aspects related to PACS acceptance and its meaningful use. The conceptual framework, as devised by Paré and Trudel (2007), was used as a theoretical lens to categorize and discuss the research results in terms of Project, Technological, Organizational and Behavioural factors that affect PACS acceptance and its meaningful use. The findings showed good acceptance rates, which is in line with other research conducted in this field, including research done in the public sector. Technical and Organizational factors were the most prevalent. An extension of the above-mentioned theoretical framework was proposed to assist in maintaining positive results after the project Implementation phase has been completed. This research expands the Information Technology PACS body of knowledge – by identifying both the technical and the non-technical factors that are crucial in private practice referring doctor acceptance and meaningful use. By addressing these factors, institutions can improve the likelihood of PACS project success in private practice settings. Maximising referring doctor acceptance and meaningful use could also give private practices a competitive advantage over their competitors.
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  • Date Issued: 2016

Factors affecting the role of management accounting in manufacturing organisations in Namibia and in the Eastern Cape province of South Africa

  • Authors: Kangala, Hendrina
  • Date: 2016
  • Subjects: Managerial accounting -- Namibia , Managerial accounting -- South Africa -- Eastern Cape , Manufacturing industries -- Accounting
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/8318 , vital:26324
  • Description: Manufacturing is one of the important sectors needed to improve the economies of Namibia and South Africa. However, the manufacturing sectors of both countries are not performing as planned. Management accounting is one of the requirements needed for a successful organisation. With the aim of reducing costs, improving decision making, profits and customer satisfaction, the main role of management accounting in manufacturing companies of Namibia and the Eastern Cape Province of South Africa is to control cost, forecast and budget, make decisions, report internally, improve profits and manage working capital. This study used an online survey to examine the factors that affect the effectiveness of management accounting in executing this role. The findings of the study revealed that management accounting is affected by the external environment, developments in technology and customer satisfaction. It also found that organisational structure, relationships with stakeholders and management accounting reporting were internal factors affecting management accounting. Specific skills like numerical and analytical skills were also identified as important to the role of management accounting. Based on contingency and role theories, this research aims to find those factors which can be controlled to improve the effectiveness of management accounting systems in manufacturing organisations, and as a result improve the success of those organisations on which these systems are contingent.
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  • Date Issued: 2016

Factors that influence the sustainability of rural crop production community projects in the Umzimvubu District

  • Authors: Majiki, Fezeka
  • Date: 2016
  • Subjects: Sustainable agriculture -- South Africa -- Eastern Cape , Economic development projects -- South Africa -- Eastern Cape , Rural development -- South Africa -- Eastern Cape
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/8089 , vital:24991
  • Description: Maize production is the main cropping activity in the Umzimvubu district. This cereal crop is the staple food for the Eastern Cape’s rural communities and accounts for nearly 95 per cent of the crops cultivated in dry-land cropping programmes. Food security in rural areas has been a major concern for the South African government. In attempts to mitigate hunger and poverty, the government has initiated rural development maize production projects. The primary objectives of the projects were to achieve sustainable livelihoods and rural development for the poor. The projects were expected to improve the quality of rural life and provide basic nutritional requirements of the community. Historically the rural poor have had to fend for themselves through subsistence farming in adverse environments. Input costs for farming have become increasingly expensive; this resulted in major challenges for subsistence farming. The crop production projects initiated in the Umzimvubu district have not been sustainable and have fallen short of addressing the needs of the various communities. The study aims to identify the factors that influence the sustainability of the crop production projects in the Umzimvubu district. A triangulation research method was used to provide multiple viewpoints to examine the data; this allows for greater accuracy of the research. The mixed method approach in which the researcher collects and analyses data integrates the findings and draws inferences using both qualitative and quantitative methodology. The quantitative research methodology provided the demographics and biographical data on the participants. The qualitative research methodology concentrated on the focus group discussions that gave an insight into the participants' views, perceptions and concerns. Focus groups were used to examine the factors influencing the sustain-ability of the projects and to explore how these projects are perceived and under-stood by the community and people working on the projects. The research interest is not only in what the project beneficiaries think, but also in why they think as they do. The main data collection was obtained from the focus groups and individual face-to-face interviews with the beneficiaries of the crop projects in the Umzimvubu district. It was found that the farming areas required rehabilitation, were susceptible to erosion and degradation, and lacked adequate land use practices. The beneficiaries of the cropping programmes had small amounts of other crops growing in their individual household gardens for household use in conjunction with the maize received from the maize programmes. The income made from selling maize from the programmes was insignificant and did not contribute substantially to the household needs, as the communities in these projects were still failing to secure adequate food requirements. The maize yields do not substantiate the monetary investment from the beneficiaries. Furthermore, the findings indicated that the beneficiaries do not receive consistent income from the programmes. The participants consisted of large households comprising mainly elderly people who depended on social grants as a regular source of income. These elderly were burdened with taking care of their grandchildren, whose parents were employed in either urban areas or unemployed and formed part of the household. The unemployed young adults also depended on child support grants for income. The maize harvested had to be shared between a large number of community members and the livestock. The findings also suggested that there was dependency on outside contractors for cultivation and other practices. The study found that most of the beneficiaries felt disempowered, as they had not been involved in the decision-making process. Furthermore, policy-makers failed to acknowledge existing indigenous knowledge and practices of the rural communities (i.e. inter-cropping and green mealie harvesting). Indigenous practices should be included into the programmes instead of compelling beneficiaries to adhere to new forms of cultivation. The communities introduction to new large-scale and challenging, highly technological methods resulted in most of the communities being fully dependent on government support and guidance. Training and the empowerment of beneficiaries are imperative. Rural people should be included in development of strategies and the role of the women should be given more recognition. It should be acknowledged that rural households are diverse and that the model cannot apply to each village or community.
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  • Date Issued: 2016

Information security assurance model for an examination paper preparation process in a higher education institution

  • Authors: Mogale, Miemie
  • Date: 2016
  • Subjects: Computer security -- Management -- Examinations , Computers -- Access control
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/8509 , vital:26377
  • Description: In today’s business world, information has become the driving force of organizations. With organizations transmitting large amounts of information to various geographical locations, it is imperative that organizations ensure the protection of their valuable commodity. Organizations should ensure that only authorized individuals receive, view and alter the information. This is also true to Higher Education Institutions (HEIs), which need to protect its examination papers, amongst other valuable information. With various threats waiting to take advantage of the examination papers, HEIs need to be prepared by equipping themselves with an information security management system (ISMS), in order to ensure that the process of setting examination papers is secure, and protects the examination papers within the process. An ISMS will ensure that all information security aspects are considered and addressed in order to provide appropriate and adequate protection for the examination papers. With the assistance of information security concepts and information security principles, the ISMS can be developed, in order to secure the process of preparing examination papers; in order to protect the examination papers from potential risks. Risk assessment form part of the ISMS, and is at the centre of any security effort; reason being that to secure an information environment, knowing and understanding the risks is imperative. Risks pertaining to that particular environment need to be assessed in order to deal with those appropriately. In addition, very important to any security effort is ensuring that employees working with the valuable information are made aware of these risks, and can be able to protect the information. Therefore, the role players (within the examination paper preparation process (EPPP)) who handle the examination papers on a daily basis have to be equipped with means of handling valuable information in a secure manner. Some of the role players’ behaviour and practices while handling the information could be seen as vulnerabilities that could be exploited by threats, resulting in the compromise in the CIA of the information. Therefore, it is imperative that role players are made aware of their practices and iv behaviour that could result in a negative impact for the institution. This awareness forms part and is addressed in the ISMS.
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  • Date Issued: 2016

Investigating the effectiveness of microcatchments at enhancing transplant performance in Nama-Karoo riparian ecosystem restoration

  • Authors: Jackson, Andrew St. John , Wigley, Benjamin , Schumann, Bonnie , Currie, Bianca
  • Date: 2016
  • Subjects: Arid regions agriculture , Environmental degradation , Range ecology
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/7469 , vital:21782
  • Description: Globally agricultural rangelands have been subjected to degradation through over-utilization. The loss of productivity of agricultural rangelands around the world has led to the development of methods to restore the productivity of these areas. In South Africa, extensive areas of the Nama-Karoo have been degraded or transformed due in part to unsustainable agricultural activities. The development of restoration methods which are easily implementable and financially viable could increase the probability of stakeholders implementing restoration activities on privately owned land. The removal of the degrading factor is not sufficient to reverse the degradative trend in dryland environments. Active measures must be implemented to arrest the degradation cascade. The climatic conditions of the rangelands of South Africa are limiting to plant performance and the favourable conditions are sporadic. The translocation of plants should be combined with the amelioration of the local conditions. This study tested the restoration technique of microcatchments in association with plant translocation. The effects of microcatchments and planting combinations which were best suited to the survival and performance of the transplants were determined through a field trail. The results showed that microcatchments created microsites which were conducive to transplant survival and growth, including nutrient accumulation and increased soil moisture. The success of the method was dependent on the planting combination used. Plants which are adapted to inundation and the saline conditions of the site performed better. Plants which were older at the time of translocation had higher survival rates than younger transplants. In the conditions of this site, planting adjacent to the microcatchments was necessary to avoid inundation induced mortalities. The environmental conditions of the Nama-Karoo necessitate the coordination of restoration activities with the predicted favourable conditions in order to improve the success of restoration activities.
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  • Date Issued: 2016

Investigating the effects of mopane worms (Imbrasia belina) on nutrients, Venetia-Limpopo Nature Reserve, South Africa

  • Authors: De Swardt, Donovan Barry , O’Connor, Tim
  • Date: 2016
  • Subjects: Herbivores -- Ecology -- South Africa -- Limpopo , Phytophagous insects -- South Africa -- Limpopo , Mopane worm -- South Africa -- Limpopo , Soil fertility -- South Africa -- Limpopo
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/9273 , vital:26558
  • Description: Ecologists have long been aware that large mammalian herbivores can alter ecosystem functioning in various ways, for example through changing where they defecate and urinate, which consequently affects nutrient cycling. The effects of herbivorous insects on ecosystems, however, have received limited attention until recently. Insects are capable of mass outbreaks, they can consume large volumes of vegetative material and can deposit large quantities of dung (frass), one example being the mopane worm, Imbrasia belina. This study looked at the effect of mopane worm frass on soil fertility in the mopane veld of the Venetia-Limpopo Nature Reserve and neighbouring Haakdoring farm. It found that mopane worms are capable of altering soil nutrient dynamics beneath the trees where they are browsing in three ways. Firstly, they increase the potential amount of nutrients deposited when compared with that deposited through conventional leaf litter. Secondly, they alter the rate of nutrient recycling by depositing nutrients in frass which decomposes more rapidly than conventional leaf litter. Lastly, they increase the amounts of potassium and phosphorus in the soil. While there is no conclusive data from this study that the mopane veld would become extinct if mopane worms were harvested to extinction, it has shown that there is relatively little evidence on how herbivorous insects could affect ecosystem functioning in the landscapes in which they occur. Further research is recommended that investigates how mopane worms influence soil fertility in more detail and over multiple geographical locations.
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  • Date Issued: 2016

Living in the Shadow of death: purging the unconscious for the creation of a personal visual language

  • Authors: Wedderburn, Michael Roderick
  • Date: 2016
  • Subjects: Death in art Art, Modern -- 21st century Art -- South Africa -- Psychological aspects
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/13250 , vital:27168
  • Description: This visual arts based research explores the autonomous process of mark-making from the unconscious for the sake of expressing inner turmoil that comes with ‘Living in the Shadow of Death series’ (2014). The manner by which emotions are, in a sense, naturally released in automatic drawing and painting underpin the basis of this research as part of the development of an expressive visual language. ‘Living in the Shadow of Death’ is definitively concerned with how an emotional predisposition, a severe case of unconscious aggression due to struggles with the illness of Marfan Syndrome comes to the surface naturally and is expressed visually. Essentially, this research aims to answer the main research question: How might the act of drawing convey the power and complexity of emotion through the exploration of autonomous mark-making with unconventional tools, mediums and methodologies? This research inquiry rests upon three important benefactors and influences: Illness, anatomy and unconventional tools. What is discussed is an interdisciplinary regime of theoretical and practical research into Surrealist Automatism and a progressive development of this methodology formed from the perspective and approach of a Marfan Syndrome sufferer. The research includes an analysis of Automatism in the works and practice of artists Roberto Matta, Joan Miro and Andre Masson and their influence on the working methods of Jackson Pollock. To this end, the contribution made by Jungian therapy to Pollock’s Action Painting technique and experimentation with unconventional methodologies is explored. Furthermore, the practice-led analysis and documentation of information gained on Surrealist Automatism aided development of working procedures and how this guided the creation of a body of works entitled ‘Living in the Shadow of Death’ is discussed. Ultimately, the content of this research expands the discourse on what constitutes drawing tools, media and format, and how suffering from Marfan Syndrome extended and amplified the expressive potential of Surrealist Automatism and Action Painting exemplified in the development of an innovative methodology known as ‘Anatomical Automatism’.
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  • Date Issued: 2016

Optimisation of clearcoat viscosity

  • Authors: Bukula, Nwabisa Asanda
  • Date: 2016
  • Subjects: Coating processes , Automobiles -- Bodies -- Maintenance and repair
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/4814 , vital:20707
  • Description: Modern automobiles are painted with basecoat, technology which is either metallic, solid colour or pearlescent. This requires protection from chemicals, scratching, weathering and UV light by applying a protective top coat (clearcoat) over the basecoat. For the clearcoat to cure into a hard protective shell it undergoes an irreversible crosslinking process. This usually takes place over the first four to five hours, depending on the formulation and weather conditions. The speed of crosslinking can be enhanced by temperature. Pot life is important as it can affect the overall quality of the painted surface. If crosslinking occurs too quickly, before the clearcoat is applied onto the surface, the clearcoat cannot be used to produce a good quality finish. The “expired” mixture is thus discarded. If used, the quality of the finished product cannot be guaranteed to last, and the paintwork may have to be redone. This often means removing the underlying paint and primer as well with the clearcoat film. Besides the time lost, the discarded clearcoat mixture often lands in the landfill, polluting ground water and the environment. It is thus important from the point of view of both the environment preservation and waste management, that as much clearcoat as possible is used without being wasted. It was proven in an earlier study (BSc Hon Formulation Science Treatise, 2011) that adding eugenol to a clearcoat mixture after crosslinking had started could reduce its viscosity, which is an indicator of crosslinking progress. Crosslinking subsequently resumed at a lower rate than in traditional blends. If stored away from oxygen and high temperatures, this blend could maintain optimum viscosity indefinitely. In this follow up study an optimum formulation was developed using D - optimal experimental design. It sought to extend the pot life to avoid waste to spray painters while saving the environment from pollution. The formulation that gave the desired viscosity after five hours of pot life was adopted. It was hypothesised that the optimum formulated clearcoat mixture would have a longer pot life than its traditional counterparts, and that it would perform just as well as the traditional clearcoat mixtures. To study the rate of crosslinking (disappearance of functional groups and appearance of the urethane bond), FTIR spectrometry was performed on a mixture produced from the optimized formula in comparison to that of a traditional mixture (the control). The rate of disappearance of functional groups was found to be lower in the eugenol mixture than in the control mixture. After six hours, eugenol was added into the control mixture, and this seemed to reduce the viscosity with the re-emergence of functional groups in the mixture. After 24 hours of crosslinking, an FTIR scan was done on the solid sample and this revealed that the eugenol mixture had crosslinked fully, with no detectable functional groups in the sample.
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  • Date Issued: 2016

Perceptions and practices of small-scale piggery farmers towards animal welfare in the Nelson Mandela Bay Metropole

  • Authors: Maqhajana, Mzwanele
  • Date: 2016
  • Subjects: Animal welfare -- South Africa -- Nelson Mandela Bay Municipality , Farms, Small -- South Africa -- Nelson Mandela Bay Municipality
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/8079 , vital:24719
  • Description: There has been an increasing concern about animal welfare in small-scale farming as the farmers' agricultural practices shift towards intensive agriculture. It has become important to comprehend how small-scale farmers perceive and practice animal welfare relative to production and market integration. To solve the research problem, the research emphasis was on assessing the following practices; procedures adopted by the small-scale farmers, welfare levels verses industry equirements for market integration; determinants affecting small-scale perceptions and attitudes towards animal welfare and how has animal welfare affected farm development and production. The research focus for this study was to investigate the linkage between perceptions and this process. In order to achieve a more in-depth understanding of the study while also ensuring its validity and correctness a triangulation research method was applied, which consisted of a quantitative and qualitative method approach. The focus groups and structured research interview questions were used as the main data collections instruments. The study consisted of sixty-two piggery small-scale farmers from three areas of the Nelson Mandela Bay metropole. The study found that there was a disparity between the perceptions and practice of small-scale farmers. Farmers perceived their practices as acceptable. However, on most of the farms the pigs were farmed in an unhygienic environment, had limited handling facilities, the farmers had unconventional methods to handle the pigs; there was poor support from technical services, many of the farmers never administered animal welfare evaluations and applied questionable feeding practices. The study also indicated that less than 15% had suitable facilities to accommodate suitable reproduction and piglet care. The researcher recommended the following interventions to improve animal welfare approaches with small-scale farmers in the Nelson Mandela Bay metropole: Training and information campaigns to improve small-scale piggery farmers' perception and knowledge of animal welfare, as well as market standards and requirements. Strengthening the relationship between the small-scale piggery farmers and animal welfare stakeholders. Including active engagement between small scale piggery farmers and the Department of Rural Development, Agrarian Reform and Urban Agriculture Unit of the Nelson Mandela Bay Municipality. Encouraging farmers to strive for stronger markets to facilitate better income and care of animals.
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  • Date Issued: 2016

Perceptions on risk management at Walter Sisulu University

  • Authors: Qanga, Enathi Jongikhaya
  • Date: 2016
  • Subjects: Risk management , Walter Sisulu University for Technology & Science
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/3802 , vital:20464
  • Description: With the rise in the complexity of business transactions and emerging prominence of worldwide corporate governance, companies are required to adhere to certain minimal standards of governance and risk management. Organisations take various kinds of risks depending on their operating environments and the gravity of their organisational needs (risk to a return trade-off). Taking risks can either provide benefits to an organisation or cause problems for it. Given the importance of risk management, studies conducted by universities throughout the world reveal serious concerns. The primary objective of this study was to establish perceptions on risk management at Walter Sisulu University (WSU). The literature review of the study provided a discussion concerning best practice as far as the COSO internal control framework, COSO enterprise risk management framework and key aspects of the Kings III report on risk assessment and risks faced by modern business. The study adopted the quantitative research approach using a case study design. A survey was conducted by distributing questionnaires to a selected sample of, Campus management (Deans), Internal auditing III students, Lecturers in commerce, Head of departments and support service personnel of WSU. A random sampling procedure identified thirty three participants and all the participants completed questionnaires across all campuses at WSU. Graphic presentation from Microsoft excel, inferential and basic descriptive statistics from SPSS were used to analyze and interpret data to generate findings. The study revealed that, all principles for the COSO components on internal control, COSO- ERM and the King III report are regarded to be present at WSU. Respondent perceptions falls within the positive zone being “neutral”, “effective” and “highly effective”. The population score is probably also in the neutral zone indicating a not sure respondent’s perception on whether the component or principle is effective or not effective. The Cronbach’s Alpha was conducted to test the internal reliability and consistency of the data. A Cronbach’s Alpha of summated score of 0.974 was achieved on 84 principles that could contribute to the effectiveness of risk management. The researcher recommends creating a risk-awareness culture throughout WSU rather than a silo approach to risk management. Monitoring on the effectiveness of the system of internal control need greater attention at WSU. In addition, the alignment of risk management to institutional strategy needs to be improved, and the University needs to establish and develop an enterprise-risk management policy (ERMP) and create a platform for further studies on risk management.
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  • Date Issued: 2016

Photographing other selves: collecting, collections and collaborative visual identity

  • Authors: Minkley, Hannah Smith
  • Date: 2016
  • Subjects: Documentary photography -- South Africa Semiotics -- South Africa
  • Language: English
  • Type: Thesis , Masters , MTech
  • Identifier: http://hdl.handle.net/10948/12669 , vital:27105
  • Description: This study is situated in a social documentary photography context, and is concerned to explore whether the collaborative interaction between photographer, subject (as collector) and material object (as collection) might enable a practice that presents a more mutual and subject-centred visual identity emerge. In particular, photographers Jim Goldberg and Gideon Mendel have focused more on the subject themselves, using collaborative processes such as photo-voice and photo elicitation, as well as the use of peoples’ handwritten captions on photographic prints themselves. Claudia Mitchell’s overview of visual methodologies is drawn on, together with Ken Plummer’s Documents of Life 2 (2001) and Gillian Rose’s Visual Methodologies (2001) to extend on these possibilities of conducting collaborative visual research.The practical component of this study focuses on personal collections and follows a number of theorists, including Susan Pearce, and John Elsner and Roger Cardinal. It follows Pearce’s identification of three major modes of collecting, and suggests that collections are essentially narratives of the self, and reveal experiences and expressions of personal desire. By drawing on these approaches and the various ways the twelve collectors were photographed, as well as implementing collaborative research processes (handwritten text, archival photographs and the re-staging of the collections), the study confirms Pearce’s three primary modes of collecting, and acknowledges that they are often interlinked or overlap one another. The study further found that a more subject voiced visual identity did indeed become apparent through the collaborative methods applied and discussed. The collaborative research equally demonstrated that these narratives of identity are not singular, but rather narratives of multiple, personal identities of the self.
  • Full Text:
  • Date Issued: 2016
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