442 research outputs found
Working with the enemy : the military integration process in transitional South Africa and the factors that shaped a new defence force
Against the backdrop of South Africa's political transition from Apartheid to a democratic system of governance during the early 1990s, the South African military underwent a distinct transformation of its own. During the military's transition seven disparate forces that had previously been vying for power were integrated under one umbrella organization and re-branded as the South African National Defence Force (SANDF). Scholars and analysts generally consider this process to have been successful; it was a seminal achievement by both the negotiating parties and the Government of National Unity. Looking at the transformation process during two distinct periods, 1990 through the national elections of 1994, referred to as 'the planning phase,' and postelections through 1996, referred to as 'the implementation phase,' this study seeks a more robust and nuanced accounting of the factors that contributed to this outcome. Building upon an evaluation of the existing literature, this study also analyzes the impact that the strategies employed by the negotiating parties had upon outcomes. It offers the novel approach of analyzing the military's integration through the lens of negotiation theory rather than more conventional theoretical lenses. In doing so, this study aims not only to contribute to a common understanding of the means by which the SANDF was created and shaped, but also to broaden the scope and depth of military integration theory itself
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Telepresence: Joan Jonas and the Emergence of Performance and Video Art in the 1970s
This dissertation is a study of the early career of the American artist Joan Jonas that spans the years 1970-1984. At the turn of the 1970s, Jonas was one of the first artists to pick up a video camera. Exploring âliveâ videoâs unique capacity to mediate the present moment, Jonas actively integrated the technology into her live pieces, which are some of the earliest examples of what was then first called âperformance art.â Performance art has often been aligned with presence. In contrast, I argue that what at stake in the proliferation of live artworks by Jonas and others that merged performance and video was not a reserve of unmediated experience, but a presence that was newly technologized: telepresence. As Jonas investigated the novel ability to perform at a distance enabled by electronic media, her work led somewhere surprising: to telegraphy, telepathy, and the earliest telephonesââteleâ-technologies that appear long obsolete (or completely fantastical). Evoking optical telegraphs, spirit mediums, speaking trumpets, and science fictional prostheses, Jonasâs early oeuvre reactivates the historical contexts and unrealized potentials surrounding these dead media. In so doing, she illuminates enduring formations of the body, subjectivity, and teletechnology underlying not only the twinned emergence of performance and video art in the 1970s, but also telepresence as a seemingly very contemporary (and increasingly pervasive) category of experience
Facilitating improvements in teaching and learning through self-directed professional development
In post-compulsory education settings opportunities for more appropriate
interpersonal communication between a teacher and their students are required.
However, reflective practice, proposed as a means of empowering teachers to
enhance the process of teaching and learning, is neglected or ineffective and
action research, suggested as a way of facilitating reflective practice, may not
always be appropriate or possible. Thus, there is a need to better understand how
to encourage teachers' participation in, and enable their accomplishment of,
reflective practice aimed at self-directed improvements in teaching and learning.
Volunteer teachers in post-compulsory education settings used a Communication
Styles Questionnaire to identify the pattern of interaction between themselves and
their students with a view to developing, where desired, a wider, more flexible
style of communicating to enhance teaching and learning. Using an action
research methodology and a case study method, these instances of reflective
practice were examined to establish the process involved in, and the influences on.
improving teaching and learning. In addition, previous experiences of selfdirected
professional development engaged in by these teachers were Investigated,
to illuminate ways in which desires and attempts to improve teaching and learning
are generally facilitated and hindered.
The findings indicate that a majority of teachers engage in self-directed
professional development on at least an occasional basis and, therefore, in
principle, may be favourably disposed towards reflective practice; reflective
practice may be facilitated primarily by collaboration, time, teacher autonomy and
cultural change within the institution; the process of accomplishing self-directed
improvements in teaching and learning through reflective practice may be best
guided by a revised action research model.
Recommendations are put forward to enable reflective practice and the
development of teaching and learning to be a natural and integral part of a
teacher's experience and expectations
Authentic leadership, psychological capital, work engagement and safety behaviour in a construction environment
Research purpose: The purpose of the study was (1) to investigate the relationship between authentic leadership, psychological capital (PsyCap), work engagement, and employeesâ safety behaviour, and (2) to develop and test a theoretical model comprising of all four constructs as informed by the literature review and data collected. In essence, the goal is to develop recommendations to support and contribute to the overall effectiveness of the construction industry based on the findings of the study. The study will assist South African businesses in the construction domain to manage their demanding work environment and minimise the number of occupational safety violations and injuries. Research motivation: Studies that explore safety from more recently acknowledged leadership theories are in short supply. This study is addressed through the lens of Positive Organisational Behaviour (POB) to situate authentic leadership and PsyCap as measurable constructs that can be developed to have a positive impact on work engagement and safety behaviour. This approach is especially significant in the South African construction environment because of the growing emphasis on the health and safety concerns. In essence, this study links a contemporary leadership theory, psychological constructs, and associated outcomes distinctively to a given industry within the South African context, that is work engagement and safety behaviour. Research design, approach, and method: This study follows a cross-sectional approach to investigate the relationship between authentic leadership, PsyCap, work engagement, and safety behaviour in a construction environment. Convenience sampling was employed to recruit full-time employed workers across hierarchical levels, ranging from blue-collar workers (installation technicians, paving installers, and maintenance technicians) to white-collar workers (supervisors, line managers, senior managers, and other administrative employees), working in the South African construction industry. Both paper-and-pencil and online questionnaires were utilised to collect data for the study. Two hundred paper-and-pencil questionnaires were distributed, and 89 online questionnaires were accessed by potential respondents, with a total of 198 completed questionnaires. A response rate of 65.41% was realised. Quantitative techniques were used to analyse the data: Reliability assessment, Confirmatory factor analysis (CFA), correlation analysis, independent t-test, analysis of variance (ANOVA), and structural equation modelling (SEM). Main findings: All hypotheses were supported. The results indicate that there is an association between the constructs in the study. Specifically, the relationship between authentic leadership and safety behaviour is mediated by PsyCap and work engagement. The research provides valuable input as significant differences were noted across all constructs and demographic variables, except age. Limitations: The results should be interpreted, bearing in mind that there is limited literature available on the relationship between the constructs in the study when applied to the South African context. Furthermore, the limitations primarily revolved around the research design. Specifically, the questionnaire was completed at one point in time and the use of convenience sampling may be associated with possible sampling bias. In response to the COVID-19 pandemic and lockdown which limited group gatherings and contact, a change in the data collection method was necessary. That is, the data collection method changed from a paper-and-pencil version to the online administration of the questionnaire. This resulted in a six-month delay in the completion of data collection. Finally, the wording of certain items may have contributed to central tendency in responses. Future research: It is suggested that future studies should investigate the relationship between the constructs using larger samples, different occupations, alternative South African industries, and explore the long-term effects of these constructs in the South African workplace by adopting a longitudinal research design. This can also be considered in relation to possible interventions to improve leadership authenticity and increase PsyCap and work engagement, with the intention of mitigating adverse safety events in the construction industry. In addition, future studies should also consider how this relationship can be influenced by different ethnic and cultural groups to gain a better understanding of how differences in ethnicity manifests in the constructs. Researchers should also explore the constructs as a group-level phenomenon and consider explanations from an alternative theoretical framework.Thesis (PhD) -- Faculty of Business and Economic Sciences, 202
Authentic leadership, psychological capital, work engagement and safety behaviour in a construction environment
Research purpose: The purpose of the study was (1) to investigate the relationship between authentic leadership, psychological capital (PsyCap), work engagement, and employeesâ safety behaviour, and (2) to develop and test a theoretical model comprising of all four constructs as informed by the literature review and data collected. In essence, the goal is to develop recommendations to support and contribute to the overall effectiveness of the construction industry based on the findings of the study. The study will assist South African businesses in the construction domain to manage their demanding work environment and minimise the number of occupational safety violations and injuries. Research motivation: Studies that explore safety from more recently acknowledged leadership theories are in short supply. This study is addressed through the lens of Positive Organisational Behaviour (POB) to situate authentic leadership and PsyCap as measurable constructs that can be developed to have a positive impact on work engagement and safety behaviour. This approach is especially significant in the South African construction environment because of the growing emphasis on the health and safety concerns. In essence, this study links a contemporary leadership theory, psychological constructs, and associated outcomes distinctively to a given industry within the South African context, that is work engagement and safety behaviour. Research design, approach, and method: This study follows a cross-sectional approach to investigate the relationship between authentic leadership, PsyCap, work engagement, and safety behaviour in a construction environment. Convenience sampling was employed to recruit full-time employed workers across hierarchical levels, ranging from blue-collar workers (installation technicians, paving installers, and maintenance technicians) to white-collar workers (supervisors, line managers, senior managers, and other administrative employees), working in the South African construction industry. Both paper-and-pencil and online questionnaires were utilised to collect data for the study. Two hundred paper-and-pencil questionnaires were distributed, and 89 online questionnaires were accessed by potential respondents, with a total of 198 completed questionnaires. A response rate of 65.41% was realised. Quantitative techniques were used to analyse the data: Reliability assessment, Confirmatory factor analysis (CFA), correlation analysis, independent t-test, analysis of variance (ANOVA), and structural equation modelling (SEM). Main findings: All hypotheses were supported. The results indicate that there is an association between the constructs in the study. Specifically, the relationship between authentic leadership and safety behaviour is mediated by PsyCap and work engagement. The research provides valuable input as significant differences were noted across all constructs and demographic variables, except age. Limitations: The results should be interpreted, bearing in mind that there is limited literature available on the relationship between the constructs in the study when applied to the South African context. Furthermore, the limitations primarily revolved around the research design. Specifically, the questionnaire was completed at one point in time and the use of convenience sampling may be associated with possible sampling bias. In response to the COVID-19 pandemic and lockdown which limited group gatherings and contact, a change in the data collection method was necessary. That is, the data collection method changed from a paper-and-pencil version to the online administration of the questionnaire. This resulted in a six-month delay in the completion of data collection. Finally, the wording of certain items may have contributed to central tendency in responses. Future research: It is suggested that future studies should investigate the relationship between the constructs using larger samples, different occupations, alternative South African industries, and explore the long-term effects of these constructs in the South African workplace by adopting a longitudinal research design. This can also be considered in relation to possible interventions to improve leadership authenticity and increase PsyCap and work engagement, with the intention of mitigating adverse safety events in the construction industry. In addition, future studies should also consider how this relationship can be influenced by different ethnic and cultural groups to gain a better understanding of how differences in ethnicity manifests in the constructs. Researchers should also explore the constructs as a group-level phenomenon and consider explanations from an alternative theoretical framework.Thesis (PhD) -- Faculty of Business and Economic Sciences, 202
A coherent middle Pliocene magnetostratigraphy, Wanganui Basin, New Zealand
We document magnetostratigraphies for three river sections (Turakina, Rangitikei, Wanganui) in Wanganui Basin and interpret them as corresponding to the Upper Gilbert, the Gauss and lower Matuyama Chrons of the Geomagnetic Polarity Timescale, in agreement with foraminiferal biostratigraphic datums. The Gauss-Gilbert transition (3.58 Ma) is located in both the Turakina and Wanganui River sections, while the Gauss-Matuyama transition (2.58 Ma) is located in all three sections, as are the lower and upper boundaries of the Mammoth (3.33â3.22 Ma) and Kaena (3.11â3.04 Ma) Subchrons. Our interpretations are based in part on the re-analysis of existing datasets and in part on the acquisition and analysis of new data, particularly for the Wanganui River section. The palaeomagnetic dates of these six horizons provide the only numerical age control for a thick (up to 2000 m) mudstone succession (Tangahoe Mudstone) that accumulated chiefly in upper bathyal and outer neritic palaeoenvironments. In the Wanganui River section the mean sediment accumulation rate is estimated to have been about 1.8 m/k.y., in the Turakina section it was about 1.5 m/k.y., and in the Rangitikei section, the mean rate from the beginning of the Mammoth Subchron to the Hautawa Shellbed was about 1.1 m/k.y. The high rates may be associated with the progradation of slope clinoforms northward through the basin. This new palaeomagnetic timescale allows revised correlations to be made between cyclothems in the Rangitikei River section and the global Oxygen Isotope Stages (OIS) as represented in Ocean Drilling Program (ODP) Site 846. The 16 depositional sequences between the end of the Mammoth Subchron and the Gauss-Matuyama Boundary are correlated with OIS MG2 to 100. The cyclothems average 39 k.y. in duration in our age model, which is close to the 41 k.y. duration of the orbital obliquity cycles. We support the arguments advanced recently in defence of the need for local New Zealand stages as a means of classifying New Zealand sedimentary successions, and strongly oppose the proposal to move stage boundaries to selected geomagnetic polarity transitions. The primary magnetisation of New Zealand mudstone is frequently overprinted with secondary components of diagenetic origin, and hence it is often difficult to obtain reliable magnetostratigraphic records. We suggest specific approaches, analytical methods, and criteria to help ensure robustness and coherency in the palaeomagnetic identification of chron boundaries in typical New Zealand Cenozoic mudstone successions
Geomagnetic investigations of some recent British sediments
In order to study the geomagnetic secular variation in Britain
during the past 10000 years six metre and one metre long cores of
post -Glacial sediment have been collected from three British lakes.
Magnetic measurements were made on both the whole cores and on sub -
samples from them. The natural remanent magnetization is stable, and
records well defined declination and inclination swings of 40 -50°
and 15 -20
o
peak -peak amplitudes respectively. There is also much
between swing detail. Both the major swings and many finer details are
readily correlated from core to core and lake to lake. Thirty radiocarbon
age determinations, pollen analyses and correlations with
observatory and archaeomagnetic records have been combined to derive
a detailed time scale. This time scale has been transferred to all the '
cores by means of magnetic susceptibility and lithological correl-
ations. Fourier analyses of declination and inclination, separately
and combined as a complex pair, show that the variations are not
simply periodic, nor is their spectrum constant with time. The geomagnetic vector has been looping in a clockwise sense for most of the
past 10000 years. The records have been compared with other lacustrine
and archaeomagnetic results from other countries, and various models
for the non dipole field are discussed in the light of all these records.Attempts to retrieve palaeointensities from the sediments have
shown that ARM may provide an effective normalization parameter in
some, but by no means all cases. Determining the suitability of sediments
for palaeointensity, studies is complicated.Field tests were carried out to investigate the magnetic minerals
in the soils of the drainage basin of one lake; soil and lake sediment
samples were further analysed in the laboratory. In addition to magnetite
an impure form of maghaemite appears to play some part in carrying the
NRM of this lake sediment.Continental shelf sediment cores have also been collected from
the Firth of Clyde. These have been correlated with each other by their
susceptibility logs, and dated by correlation of their secular variation
records with the lake sediment record
Qualitative evaluation of a practice-based experience pilot program for master of pharmacy students in Scotland
Objective. To determine the views of pharmacists in central Scotland regarding experiential education for MPharm students. Methods. A thematic analysis was completed by Ms. Gillian Hendry and Dr. Sally Wiggins of interviews conducted with ten practicing pharmacists paired with first-year master of pharmacy (MPharm) students during the 2011-2012 academic year. Relevant comments from the interviews were manually sorted in a Microsoft Excel spreadsheet to bring similarly themed material together to facilitate the identification and naming of recurring themes and subthemes. Results. The pharmacists were unanimous in their opinion that experiential education was valuable for MPharm students and, in particular, that it helped students to develop self-confidence. The pharmacists derived personal satisfaction in developing mentor/mentee relationships with students. They also recognized the value that students provided to the workforce as well as the educational value to themselves in supervising students. The participantsâ primary dissatisfaction was that the pharmacy workflow limited the time they could spend mentoring students. Conclusion. The results provide guidance to the academic community and the pharmacy practice community in the United Kingdom (UK) regarding the design and integration of experiential education courses in MPharm degree programs
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