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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.
1

Exploring the educational significance of science fairs for high school science teachers

Mbowane, Clement Kapase January 2016 (has links)
In this study, the researcher sought to understand why teachers of Physical Sciences participate in the South African 'Eskom Expo for Young Scientists'. This was analysed in terms of the educational significance that they perceive the science fair to offer, what sustains their participation over a long period of time, and the extent to which Expo participation provides an opportunity for professional development. The educational significance of the Expo was established in terms of its contribution to the Professional Identity of teachers, and was related to the roles (organiser, mentor and judge) of participation in science fairs. The sampling employed in the study was both purposive and convenience-based in nature. Only schools participating regularly (at least five times in the past ten years) in the long running (since 1980) of the 'Expo for Young Scientists' (Northern Gauteng Region) were selected. Five urban public high schools and ten teachers of the school subject "Physical Sciences" were identified to participate in this study. Face-to-face semi-structured interviews were conducted with two teachers from each school in this QUAL-quan research approach. The interview transcripts were subjected to a thematic analysis, where after the points raised by the teachers were clustered into categories and related to sub-themes and themes according to the educational significance for teachers, the benefits and drawbacks for learners, teachers' Professional Identity, and reasons for sustained participation. Many researchers regard science fairs as one of the better ways to enhance science education. Globally, science fairs have been taking place for more than 30 years and are thought to have educational value for both science teachers and learners. These science fairs provide a context for the development and application of scientific investigation and research skills. This research employed the model of Beijaard, Meijer and Verloop (2004) to characterise teachers' Professional Identity (professional knowledge, attitudes, beliefs, norms and values, and emotions). The researcher also employed Ajzen's (1991) Theory of Planned Behaviour to understand why teachers take part and sustain their involvement in the Expo, be it at school or regional level. The major focus was thus on the benefits for teachers as perceived by them, with some contextualisation of the educational benefits and potential drawbacks for learners, while the literature to date has largely reported on the benefits for learners. This study has found that expos provide sustainable educational significance in terms of professional development for teachers, and enhance aspects of their Professional Identity, such as contributing to pedagogical knowledge, pedagogical content knowledge, as well as scientific procedural and declarative or factual knowledge. Their self-efficacy beliefs are strengthened, positive attitudes are developed, and strategies of inquiry based learning and effective methodological instructions in science education, which contributes to their teaching. Learners gain knowledge of science through reading and investigations, and also learn more of the nature of science. Teachers' values (and those of their schools) are reflected when their emotions are lifted in sharing learners' achievements in the science Expo. Teachers learn both from their engagement with learners, but also through networking opportunities with fellow teachers. The consequent enhancement of Professional Identity contributes to the sustainability of their participation in the Expo. Although this research focused on teachers of Physical Sciences, learners in the Expo are guided on projects ranging from biology and environmental sciences, engineering and design, information technology to psychology, and various social sciences beyond the physical sciences. The teachers who guide the subjects related to these fields possibly have similar experiences, thus extending investigations to such teachers would surely provide a richer set of insights. Teachers who do not sustain their participation did not form part of the research, but their experiences and perceptions were included to further enrich the nature of the findings. It is recommended that the opportunity for professional development that is provided by teachers' participation in such school level investigation science fairs be acknowledged and promoted by schools and fair organisers. They can do this by continuing to extend the range of teachers who are encouraged to be involved in such science fairs. / Dissertation (MEd)--University of Pretoria, 2016. / Humanities Education / MEd / Unrestricted
2

Technik und Bildung in der verwissenschaftlichten Lebenswelt

Lumila, Minna 02 June 2023 (has links)
Die Studie versucht, Husserls Modell einer nicht-wissenschaftlichen Lebenswelt für pädagogische Untersuchungen zum Verhältnis von Technik und Bildung in der verwissenschaftlichen Welt zu öffnen. Sie diskutiert Entwicklungsprobleme der Spätmoderne unter pluralen Fragestellungen und führt Ansätze und Traditionen zusammen, die unterschiedliche Wege zur Weiterentwicklung der modernen Bildungstheorie beschritten haben. Im Zentrum steht die Frage, wie moderne Technik einerseits als lebensweltliche Entfremdung des Menschen problematisiert und andererseits als Produkt menschlicher Freiheit und Weltgestaltung gewürdigt werden kann. In vier Kapiteln werden die methodischen Ansätze und Antworten vorgestellt, die der Philosoph und Pädagoge Eugen Fink (1905–1975), der Philosoph Martin Heidegger (1889–1976), der Philosoph und Erziehungswissenschaftler Theodor Litt (1880–1962) und der Soziologe Helmut Schelsky (1912–1984) auf die Frage nach dem Verhältnis von Bildung und Technik gegeben haben. Im Durchgang durch ihre Positionen wird ein Konzert erarbeitet, dessen Originalität darin liegt, Abstimmungsprobleme von Bildung, Technik und Lebenswelt aus postdualistischer, praxistheoretischer sowie posthumanistischer Perspektive zu thematisieren. / The study attempts to open Husserl's model of a non-scientific lifeworld for pedagogical investigations of the relationship between technology and “Bildung” in the scientific world. It discusses developmental problems of late modernity under plural questions and brings together approaches and traditions that have taken different paths to the further development of modern “Bildungs”-theory. The central question is how modern technology can be problematized on the one hand as the alienation of human beings from the world of life and on the other hand be appreciated as a product of human freedom and the shaping of the world. Four chapters present the methodological approaches and answers that philosopher and educator Eugen Fink (1905–1975), philosopher Martin Heidegger (1889–1976), philosopher and educationalist Theodor Litt (1880–1962), and sociologist Helmut Schelsky (1912–1984) have given to the question of the relationship between education and technology. In the course of their positions, a concert will be developed whose originality lies in addressing the coordination problems of “Bildung” (education), “Technik” (technology) and “Lebenswelt” (lifeworld) from a post-dualist, praxis-theoretical as well as post-humanist perspective.

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