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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
51

A model using ICT adoption and training to improve the research productivity of academics

Basak, Sujit Kumar January 2015 (has links)
Submitted in fulfilment of the requirement of the Doctor of Technology degree in Information Technology, Durban University of Technology, Durban, South Africa, 2015. / Research productivity is one of the core functions of a university and it plays a crucial role for a nation to develop and find its standing in our global world. This study examined the effect of ICT adoption and training on the research productivity of university academics. Much research has been done on using technology in research with a view to increase productivity. However, hardly any research could be found on the use of ICT combined with ICT training with a view to increase research productivity. This study addressed this gap in the literature. The study sought to design a model that can increase research productivity of academics while optimizing ICT adoption and training effects. The study was conducted at four public universities in KwaZulu-Natal, South Africa, whilst the part of the study on ICT training was conducted at one of the four universities. This study was conducted both in the form of a survey of 103 university academics and in the form of experimental sessions, where the use of ICT (EndNote, NVivo, AMOS, SPSS, and Turnitin) with training was used for research, the use of ICT without training was used for research and, finally, a session where a manual system (without using research software/tools and training) was used for research. The overall aim of the study was to investigate and design a model for the increase in research productivity of academics in universities after having adopted ICTs. The final results of the research revealed that the use of ICT tools (EndNote, NVivo, AMOS, SPSS, and Turnitin) with training increases research productivity as compared to using ICT tools without training, and/or using a manual system (without using research software/tools and training). A statistically proven model is recommended with a view to increase research productivity of academics.
52

Road region detection system using filters and concurrency technique.

Agunbiade, Olusanya Yinka. January 2014 (has links)
M. Tech. Computer System Engineering / Autonomous robots are extensively used equipment in industries and in our daily lives; they assist in manufacturing and production but are used for exploration in dangerous or unknown environments. However for a successful exploration, manufacturing and production, navigation plays an important role. Road detection is a vital factor that assists autonomous robots in perfect navigation. Different methods using camera-vision technique have been developed by various researchers with outstanding results, but their systems are still vulnerable to environmental risks. The frequent weather change in various countries such as South Africa, Nigeria and Zimbabwe where shadow, light intensity and other environmental noises occur on daily basis, can cause autonomous robot to encounter failure in navigation. Therefore, the main research question is: How to enhance the road region detection system to enable an effective and efficient maneuvering of the robot in any weather condition.
53

Standaarde vir die volwasse pasiënt op druk-gekontroleerde ventilasie in kritiekesorgeenhede

14 August 2012 (has links)
M.Cur. / Nursing practitioners working in the critical care unit are responsible for quality nursing care of the patient on pressure-controlled ventilation. Pressure-controlled ventilation is a high-risk interaction, with potential life-threatening complications, for example barotrauma.There are, however, in the South-African context no standards for pressure-controlled ventilation with which quality nursing of the patient on pressure-controlled ventilation can be evaluated. The following question is then asked in this study: Which standards should be formulated for the adult patient on pressure-controlled ventilation incritical care units? The goal of this study is then to formulate standards for the adult patient on pressure-controlled ventilation in critical care units. An explorative, descriptive and modified standard-generating research design is followed in this study. The research methodology as suggested by Muller (1998a:606-609; 1998b:636-637) for standard development during the quality improvement process is used in this study. Standard formulation consists out of three phases, namely a development phase, a quantifying-/ validation phase and a testing phase. During the development phase of this study, a literature study is conducted after which concept standards for the adult patient on pressure-controlled ventilation in critical care units are formulated. During the validation phase of this study, the concept standards are validated by means of a consensus debate session with clinical domain experts. Seventeen standards in total were formulated. Standard one to fifteen are structure standards. These standards address the ethico-legal, philosophical and management framework according to which the nurse practitioner functions during the nursing of the adult patient on pressure controlled ventilation in critical care units. It also includes the fascilitating context, as well as facilities, equipment, stock and medication, procedures and protocols and aspect of personnel development necessary to nurse the patient on pressure-controlled ventilation. Lastly in this group of standards the knowledge and skills which the critical care nurse requires for nursing the patient on pressurecontrolled ventilation are described. Standard sixteen is the process standard for nursing the patient on pressure-controlled ventilation.This standard is described as one comprehensive standard to facilitate easy use in practice and to address the nursing process holistically. Standard seventeen can be described as the outcome standard for the nursing of the adult patient on pressure-controlled ventilation and describes the expected aspects of quality improvement.
54

Self concept and temperament characteristics of competitive swimmers

16 February 2015 (has links)
M.A. (Psychology) / A survey of the literature which concerns this study, indicated the tremendous confusion which exists in the field of Sport Psychology. Many researchers investigated various divergent factors and drew conclusions without attempting to formulate links with existing research. The lack of specific cultural research in South Africa, served as motivation for undertaking this research project.The aim of this study was to compare three groups of successful swimmers (Olympic swimmers, successful and unsuccessful provincial swimmers) in relation to certain temperament traits. The research hypothesis suggested that such traits might be the using factors for differential success levels in swimming. These traits included; Sensation Seeking, Nervous System Type, Introversion-Extraversion, and General Anxiety competitive anxiety. Self Concept was also investigated. The sample consisted of 58 competitive swimmers drawn from the 1992 South African Olympic Swimming Team, and the Eastern Transvaal and Transvaal Provincial Swimming Teams. The Olympic Team comprised the most successful group, while the remainder of the sample was subdivided into two groups (Successful and Unsuccessful Groups). The distinction was based on whether the individual swimmers had won medals and made the final of their respective races at the South African National Championships ...
55

A model using ICT adoption and training to improve the research productivity of academics

Basak, Sujit Kumar January 2015 (has links)
Submitted in fulfilment of the requirement of the Doctor of Technology degree in Information Technology, Durban University of Technology, Durban, South Africa, 2015. / Research productivity is one of the core functions of a university and it plays a crucial role for a nation to develop and find its standing in our global world. This study examined the effect of ICT adoption and training on the research productivity of university academics. Much research has been done on using technology in research with a view to increase productivity. However, hardly any research could be found on the use of ICT combined with ICT training with a view to increase research productivity. This study addressed this gap in the literature. The study sought to design a model that can increase research productivity of academics while optimizing ICT adoption and training effects. The study was conducted at four public universities in KwaZulu-Natal, South Africa, whilst the part of the study on ICT training was conducted at one of the four universities. This study was conducted both in the form of a survey of 103 university academics and in the form of experimental sessions, where the use of ICT (EndNote, NVivo, AMOS, SPSS, and Turnitin) with training was used for research, the use of ICT without training was used for research and, finally, a session where a manual system (without using research software/tools and training) was used for research. The overall aim of the study was to investigate and design a model for the increase in research productivity of academics in universities after having adopted ICTs. The final results of the research revealed that the use of ICT tools (EndNote, NVivo, AMOS, SPSS, and Turnitin) with training increases research productivity as compared to using ICT tools without training, and/or using a manual system (without using research software/tools and training). A statistically proven model is recommended with a view to increase research productivity of academics. / D
56

An evaluation of the use of narrative therapy with adult survivors of childhood sexual abuse

13 August 2012 (has links)
M.A. / According to the Child Protection Unit (1997) 25% of young South African females experience some form of childhood sexual abuse before they are 18 years old. Alongside this frighteningly high statistic is an increasing trend for these victims to report these transgressions and, particularly during adulthood, speak out about their experiences. Childhood sexual abuse results in a number of potentially devastating long term effects that limit the adult survivor's capacity to enjoy life to the fullest extent possible. The manner in which each adult survivor perceives her experiences of childhood sexual abuse is unique, as is the way in which she deals with these resulting effects. A variety of therapeutic interventions are available to these women, one of which is narrative therapy. This study is aimed at exploring the adult survivor of childhood sexual abuse's understanding of the use of narrative therapy as a method of intervention. A qualitative methodology is utilised to explore the manner in which adult survivors of childhood sexual abuse understand narrative therapy, and how it can be used to help them deal with the long term effects that are a result of their abusive experiences. The focus of this research is therefore on the adult survivor who has been and still is, a recipient of narrative therapy. The theoretical basis for the intervention with the adult survivor of childhood sexual abuse is established in the discussion of childhood sexual abuse and the adult survivor, as well as narrative therapy and the historical constructs, like postmodernism, constructivism, and social constructionism, that are instrumental in the development of this interventive technique. For the aim of this study a representative sample of two respondents is used. That is two adult survivors of childhood sexual abuse who are actively involved in the narrative therapy process. This sample lends itself to in-depth interviewing where the respondents ii are able to explore their own perceptions of narrative therapy and how this method of intervention has impacted on their own experience of reality. the data is gathered by means of field notes, audio-tapes which are transcribed, and a thorough literature review. Analysis of the data collected is done manually and according to a schedule. The schedule is developed according to coding categories that are identified when working through the raw data. Coding is done by the researcher and a co-decoder in order to compare the results. In the coding process the researcher and co-decoder utilise the schedule to code the transcribed audio-tapes and field notes. The information gleaned from the data gathering and analysis is used to identify central themes. These themes are offered as results. The results obtained are compared to relevant literature in order to further the validity of the research. From the study, methodological and theoretical conclusions can be drawn. The methodological conclusions have to do with the method of research utilised in this study. Regarding the contextual aims of the empirical study, certain theoretical conclusions are drawn. The results and conclusions indicate the adult survivor of childhood sexual abuse's perception of the use of narrative therapy as a treatment methodology. Recommendations are offered on the basis of the study and the conclusions drawn. The methodology and context of the empirical study ensure the connection of the results and conclusions to the aims and objectives of this study. The research indicates that adult survivors perceive the use of narrative therapy as being extremely valuable and effective in the treatment of childhood sexual abuse.
57

Die adolessent se belewenis van opname in 'n psigiatriese hospitaal

01 September 2015 (has links)
M.Cur. / Please refer to full text to view abstract
58

An evaluation of the Myers-Briggs type indicator and the self-directed search as validated by a career typology workshop.

08 August 2012 (has links)
M.A. / School leavers are faced with the need to study further in an attempt to increase their chances of finding employment. However, school leavers are rarely equipped with all of the necessary skills, information and self-knowledge necessary to make the "right" career decision and study-path choice. The cost of tertiary education is high, and a school leaver who makes an unsuitable study-path selection could be trapped in an unsuitable career for life or drop out of the tertiary education sector due to boredom or failure. This further decreases their chance of finding employment. It is against this background that this study was conducted. In an attempt to assist potential students applying to the largest private education provider in South Africa with their choice of study-path, a career-counselling workshop was offered which included psychometric testing. Essentially this study had two main objectives. The first was to validate the suitability of the Myers-Briggs Type Indicator and the Self-Directed Search as careercounselling tools in a South African tertiary environment. The second objective was to quantitatively assess the suitability of the career guidance workshop designed to assist school leavers to make the most suitable choice of a field of study, subjects and a career. The results of the Myers-Briggs Type Indicator and the Self-Directed Search were compared using straightforward Pearson's product-moment correlations and an interbattery correlation. The results indicated the need to continue to use both of the instruments simultaneously, as they appeared to be measuring different underlying constructs. In addition, each instruments was able to supplement the information provided by the other, which allowed the career counsellor to give the students additional information to assist them with their studies and their lives. The research around the career-counselling workshop involved the use of the developmental research design methodology. which stipulated the appropriate methodological procedures to follow. The workshop was developed utilising an understanding of career-counselling theories and practices, as well as an understanding of the various Myers-Briggs types and Holland types (as determined understanding of the various Myers-Briggs types and Holland types (as determined by the Self-Directed Search) that would attend the workshops. The workshop was, therefore, designed to appeal to a wide audience, and to give as many different "types" of students the experience which they required to make an informed and realistic course, subject and career choice. The success of the workshop was evaluated by means of a questionnaire completed by the students, a comparison of the failure rates of students who attended the workshop and those who did not attend it, and an analysis of the pass/fail statistics between those who attended the workshop and those who did not. The findings of this study indicated that the workshop was well received by the students and that it had sufficient internal and face validity for use with this group of school leavers. The research group was a convenience sample that consisted of 73 students who had applied to the largest South African private education provider. These students were from four major campuses in South Africa, they had very different academic and cultural backgrounds and they were interested in different academic fields of study. The one similarity was that all of the courses offered by this private education provider are business-orientated, and only students who were interested in business studies would apply. This study established the validity of the Myers-Briggs Type Indicator and the Self- Directed Search in a career-counselling context. The validity of the careercounselling workshop was also established. As this research group cannot be said to be representative of the general population, it is not possible to generalise these findings beyond this group. However, as the results do match those found in other similar international studies, it could be deduced that if this study were repeated with a representative sample the results would be replicated.
59

Growth, reproduction and feeding biology of Turbo sarmaticus (Mollusca : Vetigastropoda) along the coast of the Eastern Cape Province of South Africa

Foster, Gregory George January 1998 (has links)
Investigations were carried out on aspects of the biology of the vetigastropod Turbo sarmaticus. Studies included: 1) the distribution and standing stock of this animal at four sites along the coast of the Eastern Cape Province of South Africa; 2) the growth rate of animals on a wave-cut platform; 3) the reproductive cycle of an intertidal population; and 4) aspects of the feeding biology examining the ability of this mollusc to consume and digest six macroalgae, the influence of algal diet on growth rate and reproductive fitness and the polysaccharolytic activity of the digestive enzymes. On eastern Cape shores, T. sarmaticus had a size related distribution, with smaller animals being found towards the upper mid-shore and larger animals being found in a downshore direction. The mean shore densities of T. sarmaticus at three sites where exploitation of animals was minimal, were very similar (1.2 - 1.7 individuals/m²). The largest animals (up to 110 mm shell length) were found on an offshore island. This may have been a result of animals not being exploited, as well as a possible increase in primary productivity and food availability. The lowest density (0.2 individuals/m²) and animal size (<70 mm shell length) was recorded at a site (Kelly's beach - Port Alfred) where exploitation was more intense. It is probable that intense overexploitation was threatening the populations at this site. The growth rate of T. sarmaticus was determined by means of the von Bertalanffy growth model and expressed by the equation L[subscript]t = 81.07(l-e⁻°·⁵⁴⁴[superscript](t)). The initial growth rate of T. sarmaticus (up to ≈ 80 mm shell length) was similar on shores with different geomorphologies (i.e. boulder shores and wave-cut platforms). Growth rates of individuals were variable, which means that individuals within a population reached exploitable size (3 - 6 years old) and sexual maturity (1.5 - 2 years old) at different ages. Seasonality of reproduction of T. sarmaticus was determined using gonad index, egg diameters and spermatozoa content within the gonad. Turbo sarmaticus was dioecious and had a sex ratio in favour of males (1.2: 1). Animals attained sexual maturity at a size of about 52.5 mm shell length. There was little variation in the reproductive cycle over time with gametogenesis occurring from March/April until August/September, whilst maturity (Gonad Index = 15%) was maintained until the spawning event from December to March. After spawning the gonad regressed. Field and laboratory observations of the feeding biology of T. sarmaticus confirmed that this mollusc was a generalist grazer capable of consuming and digesting algae from the Rhodophyta, Chlorophyta and Phaeophyta. The consumption rates (juveniles: 1.45 - 9.50% body weight/day, adults: 1.06 - 6.08%) and digestibility (9 - 75% apparent dry matter) of six macroalgae was found to vary. For most algae, juvenile T. sarmaticus had higher consumption rates (1.6 - 2.8 times higher) and digestibility values (12 - 24% higher) than adults. It is suggested that consumption rates were dependent on the digestibility of the algae. In addition, it is suggested that the consumption rates of the different algae were not related to the nutritional content, but rather the energetic content of the algae. In both juvenile and adult animals, temperature had a positive influence on consumption rates, resulting in an increase at higher temperatures. However, in both juvenile and adult T. sarmaticus, algal digestibility was not affected by temperature. Finally, it was proposed that Viva rigida, Codium extricatum, Ecklonia radiata and Gelidium pristoides would provide the best nutritional value for growth and reproductive fitness in T. sarmaticus, whilst Jyengaria stellata and Corallina spp. would provide the poorest. Experiments on the effects of four algal diets on the biology of T. sarmaticus showed that the best growth rate (up to 13.8 mm shell length increase per annum), reproductive fitness (Gonad Index up to 33%) and energy levels (up to 4.76% glycogen in the foot) were achieved when T. sarmaticus was fed G. pristoides, U. rigid a or a mixed diet. Turbo sarmaticus fed Corallina spp. showed reduced growth (2.4 mm shell length increase), reproductive fitness (Gonad Index up to 4.4%) and energy levels (up to 3.42% glycogen in the foot). A study of the polysaccharolytic enzyme activity of T. sarmaticus indicated that this mollusc possesses enzymes that can, at least partially, digest most of the storage and structural polysaccharides found in the Chlorophyta, Rhodophyta and Phaeophyta. This further supported the findings that T. sarmaticus was a generalist grazer. Two levels of activity were detected: 1) high levels of enzyme activity (up to 328.2 Ilglmglmllhr)occurred on the storage polysaccharides that occur in the Rhodophyta and Chlorophyta, and 2) lower levels of activity were detected on the storage polysaccharides (up to 44.8 μg/mg/ml/hr) of the Phaeophyta and on all the structural polysaccharides tested (<45.5 μg/mg/ml/hr). It was suggested that T. sarmaticus did not rely heavily on structural carbohydrates as a source of carbon. Finally, the results of this study were discussed in relation to the future management of T. sarmaticus stocks, the possible role of this macro algal grazer in the intertidal zone and the effects of over-exploitation of this animal. The potential aquaculture of this mollusc was also addressed briefly.
60

Voeding van pasiënte in chirurgiese intensiewesorgeenhede

Swanepoel, Anel 15 April 2014 (has links)
M.Cur. / The intensive care nurse is lawfully required to maintain the nutrition of patients in the intensive care unit with which she is concerned, This includes the assessment of the nutritional status, planning and implementation of the nutritional regimen, as well as evaluation of the effect of nutritional support on the patient. Recording of this information is an important part of the abovementioned processes. Through the correct and scientific administering of nutritional support, as well as co-operation by the members of the nutritional support.team, aid the intensive care nurse in restoring, maintaining and promoting the patient's health. The intensive care nurse hereby facilitates the patient's aim to be healthy. The purpose of this study is: to determine the involvement of the nutritional support team with regard to the nutritional regimens of patients in surgical intensive care units; - to evaluate existing individual nutritional regimens of patients in the concerned intensive care units, and to establish guidelines for the nurse in intensive care units, regarding the administering of nutrition to the surgical patient. An exploratory-descriptive research design in questioning and retrospective auditing, is used. by means of one structured audit form. The results indicate the following: which use is made of Auditing has taken place - the involvement of the members of the nutritional support team, especially the dietician who should play an important role in the nutritional support of patients in surgical intensive care units, is inadequate; - the steps in the process of nutritional support, namely assessment of the nutritional status and planning of nutritional regimens achieved a low percentage of entirety. Implementation achieved a high percentage, but it was the complete execution of nutritional regimens that was inadequately planned. Furthermore the nurse's report regarding the evaluation of nutritional regimens and nutritional status was present, but incomplete and inaccurate...

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