Browsing by Title
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Khan, Sadika (South African Dental Association (SADA), 2009)[more][less]
Abstract: This article focuses on educational research conducted at the newly merged UWC faculty of dentistry. The research emphasises the change in teaching methods employed to address the concerns experienced in teaching the new large classes as observed in the prosthetic techniques module. These educational interventions were conducted over 5 years and the study design included the principles of action research. Students were assisted in learning the theory of the practical procedures and the subsequent completion of these procedures with the accurate application of the theoretical concepts. Changes in the teaching methods enhanced students learning and successful translation of the theory into practical work. The active learning exercises incorporated into the teaching further motivated and assisted students with deep learning. The debates indicated that students know and accept the value of the module as part of their training. URI: http://hdl.handle.net/10566/224 Files in this item: 1
KhanActionResearch2009.pdf (354.1Kb) -
Fessha, Yonatan Tesfaye (Centre International de Formation Européenne, 2012)[more][less]
Abstract: The history of federalism in Africa is a history of ambivalence. In the run up to independence, federalism was an idea that galvanized several political movements that, following the retreat of colonial powers, emerged to represent the interest of ethnic groups that were anxious about their political status in post colonial Africa. But it was also an idea that was subsequently rejected by those that wield state power and thrown into historical dustbins. Recent developments indicate that the federal idea that was never given a chance to develop and was being strangled at birth is now re-entering the constitutional scene of several African countries. This short article examines how African federations have responded to the ethnic diversity that characterizes their societies. In particular, it examines how the territorial autonomy solution, implicit in these federations, have helped to deal with the challenges of ethnic diversity. URI: http://hdl.handle.net/10566/534 Files in this item: 1
FesshaEthnicDiversityAfrica2012.pdf (203.3Kb) -
Gibbons, Mark J.; Stuart, V (NISC and Taylor & Francis, 1994)[more][less]
Abstract: The feeding biology and the vertical migration of Sagitta friderici were examined over 24 h at two stations in the southern Benguela during spring (October) 1987. Together with studies conducted during summer (February 1991) and winter (May 1984), they serve to allow valuable generalizations of the biology and ecology of this abundant chaetognath. Populations migrate vertically and feed nocturnally, although the timing and the extent of migration vary between studies. S.friderici exhibits ontogenetic layering and the cross-shelf distribution of maturity stages differs, suggesting that it is able to take advantage of cross-shelf water movement in order to maintain populations in the nearshore waters of the West Coast. S.friderici prey almost exclusively on copepodg (cannibalism is rare), and there is a positive relationship between the lengths of predator and prey that is influenced by the size structure of the prey environment. This casts doubt on the validity of a chaetognath species-specific relationship between predator and prey size. S. friderici selects its prey on the basis of size, and not species. Daily ration is related linearly to prey density, so reflecting the low density of prey and providing support for theoretical predictions regarding ingestion rates under oceanic conditions. The impact of S. friderici predation on the copepod assemblage is generally less than 3% of the standing stock, although it could be much higher under conditions of low copepod biomass and poor secondary production. URI: http://hdl.handle.net/10566/306 Files in this item: 1
GibbonsFeeding1994.pdf (866.4Kb) -
Chitedze, Zimani; Tucker, William D. (Telkom, 2012)[more][less]
Abstract: This paper shows that mobility management protocols for infrastructure Internet may be used in a wireless mesh network environment. Mesh topology tends to be an unplanned graph and routes change dynamically and in this research Mobile IPv6 and Fast Handover for Hierarchical Mobile IPv6 are successfully implemented in a wireless mesh network environment. Horizontal handover simulation with ns2 involved Mobile IPv6 and Fast Handover for Hierarchical Mobile IPv6 applied to wireless mesh networks. Mobile IPv6 was used as a baseline to compare the performance of the two protocols. The results show that in mesh networks, Fast Handover for Hierarchical Mobile IPv6‘s performance is superior to Mobile IPv6. Fast Handover for Hierarchical Mobile IPv6 generates more throughput and less delay than Mobile IPv6. Furthermore, Fast Handover for Hierarchical Mobile IPv6 drops fewer data packets than Mobile IPv6. Even though MIPv6 and its extensions are for infrastructure networks, they can be used effectively in mesh networks. URI: http://hdl.handle.net/10566/424 Files in this item: 1
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du Toit, Francois (Juta Law, 2007)[more][less]
Abstract: This contribution focuses on two matters pertinent to the office of trustee. First, the fiduciary nature of the office of trustee is investigated, with particular reference to the essence of a trustee’s fiduciary duty. Secondly, the protection afforded by a trustee’s fiduciary office to trust beneficiaries, particularly contingent beneficiaries, is examined. It is shown that the protection enjoyed by contingent trust beneficiaries is frequently ascribed to their “vested interests in the proper administration of a trust” (which, it is submitted, means that each contingent trust beneficiary enjoys a personal right against the trust’s trustee for proper trust administration as counterpart to such trustee’s fiduciary duty). The question is then posed whether, as some commentators contend, such an interest in or right to proper trust administration allows extending a direct action, through the actio legis Aquiliae, to contingent trust beneficiaries for claiming delictual damages from an errant trustee in breach of trust. URI: http://hdl.handle.net/10566/225 Files in this item: 1
DuToitFiduciaryOffice2007.pdf (430.8Kb) -
McMillan, Wendy (American Association of Dental Schools, 2009)[more][less]
Abstract: There is increasing awareness in the health sciences of the potential of qualitative research to address questions that quantitative research cannot satisfactorily answer. While a growing number of studies in health sciences and health sciences education discuss the value of such research or describe the methodology and data collection processes, few detail how analysis was carried out. Reliability and validity of findings from qualitative research depend on the quality of data management, retrieval, and interpretation or identification of meaning. The robustness of data analysis is therefore an important factor in the rigor of qualitative research. This article uses a study of dental students’ conceptual learning to illustrate strategies that ensure rigor in qualitative analysis. Factors that informed the decisions regarding analysis are discussed in detail. The use of both grounded theory and literature is discussed. The role that deductive and inductive reasoning played in the analysis is outlined. A brief section illustrates the kinds of conclusions that can be made about conceptual learning when qualitative data are rigorously analyzed. Finally, potential shortcomings in the study and alternatives or additional mechanisms for ensuring validity and reliability of analysis are discussed. URI: http://hdl.handle.net/10566/86 Files in this item: 1
McMillan_Qualitative2009.pdf (131.5Kb) -
Bahia, Ricardo; Riosmena-Rodrigue, Rafael; Maneveldt, Gavin; Amado-Filho, Gilberto (Wiley-Blackwell, 2011)[more][less]
Abstract: Samples corresponding to Sporolithon ptychoides Heydrich were collected in the mesophotic zone (50 m depth) south of Espírito Santo State, Brazil. The collected material presented features characteristic of the species namely: tetrasporangia of 75-105 x 40-55 μm grouped into sori that are raised above the surrounding vegetative thallus surface; presence of a basal layer of elongate cells in areas where the tetrasporangia develop; presence of buried tetrasporangial compartments deep in the thallus; and 3-5 cells in the tetrasporangial paraphyses. These same features said to collectively characterise S. ptychoides, were all observed in a representative specimen and the type specimen of Sporolithon dimotum (Foslie & Howe) Yamaguishi-Tomita ex M.J Wynne. 2 This latter species is thus conspecific with S. ptychoides and is therefore considered a heterotypic synonym thereof as S. ptychoides has nomenclatural priority. This study expands the known geographical distribution of the species and may give insight into the origin of the species into other geographical regions. URI: http://hdl.handle.net/10566/647 Files in this item: 1
BahiaSporolithonptychoides2011.pdf (367.2Kb) -
Koen, Chris; Kondlo, L (Oxford University Press, 2009)[more][less]
Abstract: If X, which follows a power-law distribution, is observed subject to Gaussian measurement error e, thenX+e is distributed as the convolution of the power-lawand Gaussian distributions. Maximum-likelihood estimation of the parameters of the two distributions is considered. Large-sample formulae are given for the covariance matrix of the estimated parameters, and implementation of a small-sample method (the jackknife) is also described. Other topics dealt with are tests for goodness of fit of the posited distribution, and tests whether special cases (no measurement errors or an infinite upper limit to the power-law distribution) may be preferred. The application of the methodology is illustrated by fitting convolved distributions to masses of giant molecular clouds in M33 and the Large Magellanic Cloud (LMC), and to HI cloud masses in the LMC. URI: http://hdl.handle.net/10566/894 Files in this item: 1
KoenPower-law2009.pdf (806.7Kb) -
Koen, Chris (Oxford University Press, 2007)[more][less]
Abstract: It is assumed that K blocks (e.g. seasons) of observations are available, and the parameters characterizing a fixed-frequency sinusoidal variability (mean light level, amplitude, phase) are constant within each of the blocks. The paper is concerned with estimation when any combination of these parameters varies between blocks of observations. This allows observations subject to changes in mean light level, spot sizes and/or spot locations to be modelled. Objective choices between competing models, and the calculation of the standard errors of model parameters, are also dealt with. Illustrative applications to simulated and real data are given. URI: http://hdl.handle.net/10566/804 Files in this item: 1
KoenRotating_spotted2007.pdf (306.5Kb) -
Benjamin, Anita; Tucker, William D. (Telkom, 2003)[more][less]
Abstract: We have built a hybrid voice/text web–board that utilizes floor control for handling resources such as microphone and interface events. The aim of this research is to determine the most appropriate floor control mechanism for a hybrid communication tool that allows conventional text and audio users to communicate with one another using a common interface. Research on floor control mechanisms provides many implementations for arbitration that are application-specific. Myers proposes a categorical explanation of the most widely used mechanisms for providing floor control and discusses these different dimensions with respect to a project called Pebbles. We have chosen to model our arbitration policies along these categories. The application will be implemented as a Java applet and gives users a view of both the text and audio aspects of the exchange. To facilitate the multi-modality of the system we will provide media conversion, using the Nuance system’s Java API. Our hypothesis is that well–known multi-tasking arbitration protocols such as FCFS, Round Robin, Token – based, and many more can be adapted to create a conferencing floor control policy for the interface of a hybrid communication environment so as to facilitate free–flowing multi-modal conversation. Measurements to determine which floor control implementation provides the best arbitration in terms of user interaction with the system will be calculated using RPT, ORT and usage tests based on the Kirkpatrick Model. We hope to show that users benefit more from an implicit arbitration mechanism than they do from an explicit one. URI: http://hdl.handle.net/10566/538 Files in this item: 1
BenjaminTuckerHybridVoice2003.pdf (123.3Kb) -
Nasson, Bill (Stellenbosch University) (Published by History Department, University of the Western Cape, 2009)[more][less]
Abstract: This article, an expanded version of a 2008 public lecture, explores the life and times of Adolph Gysbert ʻSailorʼ Malan, a South African who rose to prominence as a combatant in the 1940 Battle of Britain and who, after his post-war return to the Union, became a notable personality in liberal reform politics. A classic Anglo-Afrikaner empire loyalist or ʻKingʼs Afrikanerʼ, Malan became ʻSailorʼ through his interwar merchant marine service, joining the Royal Air Force in the later 1930s. An exceptional fighter pilot, his wartime role as an RAF ace in defending Britain turned him into a national hero, a migrating loyal Springbok who had sprung selflessly to the defence of Great Britain. Subsequently, as an ex-serviceman, Malan drew on his wartime sensibilities and beliefs to return to political battle in his home country, in opposition to post-1948 Afrikaner nationalism and its apartheid policies. The mini-biography of Sailor Malan analyses several key life-story elements, including his seafaring apprenticeship, British wartime identity and combat experience, and troubled relationship with post- 1945 South Africa as a gradualist liberal. URI: http://hdl.handle.net/10566/101 Files in this item: 1
NassonSailor2009.pdf (3.678Mb) -
Sloth-Nielsen, Julia (University of the Western Cape, 2012)[more][less]
Abstract: This article analyses the legal framework surrounding male circumcision (infant and youth) in South Africa, having explained the requirements of international human rights law. Provincial legislation regulating traditional circumcision is detailed, followed by an explanation and analysis of the relevant provisions of the Children's Act 38 of 2005 and its accompanying Regulations. Thereafter the recently changed context, as evidenced by the current campaign for mass male circumcision as a means of preventing HIV/AIDS, is considered. The implications for the narrow circumstances in which circumcision is legalised by the Children's Act are then explored, and further potential results - in the longer term - for traditional circumcision practices are predicted. URI: http://hdl.handle.net/10566/783 Files in this item: 1
Sloth-NielsenAforeskinToofar2012.pdf (1.207Mb) -
Bradbury, Kenneth R.; Xu, Yongxin (Wiley-Blackwell, 2010)[more][less]
URI: http://hdl.handle.net/10566/827 Files in this item: 0
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Conradie, Ernst (Stellenbosch University, 2008)[more][less]
Abstract: This essay reconstructs the way in which Douglas John Hall tells the story of God's work. The argument of this essay is that Hall's entire theology could be described as an exposition of the famous formula in John 3:16, "for God so loved the world". His emphasis on a theology of the cross is explored with reference to the doctrines of creation, humanity, providence, redemption, the church and the eschatological consummation. It is argued that Hall's strength (his Christological focus on a theology of the cross) is also his weakness, given his underdeveloped pneumatology. It would therefore be important to further investigate Hall's understanding of the filioque problem. URI: http://hdl.handle.net/10566/513 Files in this item: 1
ConradieDouglasJohnHall2008.pdf (146.5Kb) -
Koen, Chris (Springer Verlag, 2010)[more][less]
Abstract: Most of the pulsations which have been observed in sdB stars have very low amplitudes. Detection of modes from photometric observations is usually performed by noting the most prominent peaks in a periodogram or, equivalently, an amplitude spectrum. A common strategy is to assume that peaks which exceed four times the mean noise level correspond to significant periodicities. The efficiency of the assumption is investigated by simulation. It is found that the actual significance levels corresponding to the four sigma limit may vary by orders of magnitude, depending on the exact data configuration. URI: http://hdl.handle.net/10566/847 Files in this item: 0
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Hall, Ruth (PLAAS, University of the Western Cape, 2009)[more][less]
Abstract: The new cabinet ushered in after the 2009 national elections features new and renamed ministries. Those expected to take the lead in a new initiative to resuscitate the rural economy are the Ministry of Rural Development and Land Reform and the Ministry of Agriculture, Forestry and Fisheries. While the newfound priority placed on rural development is welcome, its separation from the dynamic subsectors in the rural economy is not. This brief shows how existing policies are bifurcated between BEE models for the better off and welfare for the poor. There is now a danger that the two ministries will replicate the dualism of the so-called ‘first’ and ‘second’ economies – an approach that deepens exclusion from and legitimises exploitation in the economic core, and prevents the creation of a ‘missing middle’ of successful small producers. What is needed instead is rural development that restructures the commercial sectors of agriculture, forestry and fisheries, and the exploitative class relations (with workers and small producers) on which they are based, and which breaks down the concentration of capital and market power in few hands. Only then can redistributing land, forests and fishing quotas create new pathways for ‘the rural poor’ to participate, and produce, in these sectors in ways that create livelihoods and jobs, and set South Africa on a different and more appropriate growth path. URI: http://hdl.handle.net/10566/69 Files in this item: 1
Hall_Fresh2009.pdf (351.8Kb) -
Charman, Andrew; Petersen, Leif; Piper, Laurence (University of KwaZulu-Natal, 2012)[more][less]
Abstract: Small, home-based grocery stores, known as spaza shops, are ubiquitous throughout the township areas of urban South Africa, constituting an important business in the informal economy. In recent years, this retail market has become a site of fierce competition between South African shopkeepers and foreign entrepreneurs, especially Somalis, and is often cited in the media as one reason behind the xenophobic attacks on foreigners. Drawing on original data collected in the Delft township in the city of Cape Town, this paper demonstrates that foreign entrepreneurs, overwhelmingly Somalis, have come to own around half of the sizeable spaza market in Delft in the last five years. This increase is attributable to larger scale and price competitive behaviour as these entrepreneurs operate collectively in terms of buying shops, and stock, as well as in stock distribution. Also important are some more customer friendly services too. Compared to the more 'survivalist' local business model where individual owners look to supplement existing household income rather than generate an entire livelihood, the Somali business model has rapidly outcompeted local owners, bringing spaza prices down and forcing many locals to rent out their shop space to foreign shopkeepers. Consequently, while South African shopkeepers resent the Somali influx, most consumers appreciate the better prices and improved service. The rise of Somali shopkeepers thus represents a transformation of business practice in the spaza sector from survivalist to entrepreneurial modes URI: http://hdl.handle.net/10566/517 Files in this item: 1
CharmanSpazaDelft2012.pdf (3.113Mb) -
Thompson, Lisa; Conradie, Ina (Unisa Press, 2011)[more][less]
Abstract: This article examines how women organise themselves in community structures to claim socio-economic rights through participation. The discussion is based on case study research undertaken in Khayelitsha, Site C, where women involved in incomegenerating projects (IGPs) have also been involved in a dual strategy of trying to improve their living conditions through active engagement. The article looks at the intermediary institutions, the South African national Civics Association (SANCO) and the Khayelitsha Development Forum (KDF) which mediate the participatory spaces for engagement created by local government, and how these organisations serve ordinary men and women from the townships in terms of helping them to attain a better quality of life. URI: http://hdl.handle.net/10566/575 Files in this item: 1
ThompsonWomenParticipation2011.pdf (1.631Mb) -
Piper, Laurence (Berghahn Journals, 2010)[more][less]
Abstract: In recent times South African politics has come to exhibit features typical of many post-colonial contexts, not least the rise of acrimonious and confrontational politics based around personalities and forms of populism. In such contexts rational dialogue and democratic deliberation become increasingly difficult to get going and to sustain. Drawing on Richard Turner’s The Eye of the Needle, first published some forty years ago, the paper examines the role religion, and religious organisations, could play in returning such acrimonious public debate to more democratic and visionary grounds. The key point is that religion offers a form of transcendence from the divisive and bitter particularities that animate contemporary political conflicts. It does this through the spiritual affirmation of our shared human worth due to the love of God(s). From this recognition, achieved through spiritual appeals, the conditions for more rational and democratic debate can be retrieved. In addition, religious transcendence redeems the value of utopian thinking, and thus could help re-orientate public debate from a politics of blame for past wrongs to a politics of imagining of future rights. URI: http://hdl.handle.net/10566/582 Files in this item: 1
PiperSouthAfricanPolitics2010.pdf (207.2Kb) -
Kapindu, Redson (Community Law Centre, University of the Western Cape, 2009)[more][less]
Abstract: This research report demonstrates that international human rights law played a quintessential role in the drafting of the Constitution of South Africa, 1996, particularly the Bill of Rights, and that this was more so with regard to socio-economic rights where the provisions of the International Covenant on Economic, Social and Cultural Rights (ICESCR) highly influenced the guarantees of these rights under the Constitution, both in terms of language and content. The role of international human rights law has been even more pronounced in the South African socio-economic rights jurisprudence that has developed since 1994. Courts have referred to and applied international human rights law norms directly. This paper argues, however, that there are some areas where courts have fallen short in their appreciation and/or application of international human rights law. URI: http://hdl.handle.net/10566/232 Files in this item: 1