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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.
21

Effects of a Dialogical Argumentation Instructional Model on Grade 10 Learners' Conception of Fermentation

Diwu, Christopher January 2010 (has links)
<p>The study catered for empirical and metaphysical dimensions of science and IKS. The study employed a quasi-experimental design as well as a qualitative research design. Two cohorts of students from a fictitiously named &ldquo / Culture Secondary School&rdquo / have been used in this study. The list of instruments for data collection were as follows: Conceptions of Fermentation (COF) questionnaire which was used to elicit learners&rsquo / pre- and post-test conceptions of fermentation with special reference to traditional beer or &ldquo / Umqombothi&rdquo / , an Attitudes to Science (ATS) questionnaire which was used to find out the learners&rsquo / worldviews, a Science Achievement Test (SAT) which was used to assess the learners&rsquo / generalised knowledge of fermentation, a classroom observation schedule as well as a focus group interview schedule to gather additional qualitative data. All the instruments were in English with all technical and difficult terms in both English and isiXhosa (the learners&rsquo / home language). Both groups were exposed to Science/IKS-based lessons. The only difference between the two groups was that, the experimental group (E group) was exposed to a Dialogical Argumentation Teaching Model (DAIM) and the comparison group (C group) to a traditional teaching approach. The data gatherred were both analyzed in terms of qualitative and quantitative descriptions.</p>
22

Effects of a Dialogical Argumentation Instructional Model on Grade 10 Learners' Conception of Fermentation

Diwu, Christopher January 2010 (has links)
<p>The study catered for empirical and metaphysical dimensions of science and IKS. The study employed a quasi-experimental design as well as a qualitative research design. Two cohorts of students from a fictitiously named &ldquo / Culture Secondary School&rdquo / have been used in this study. The list of instruments for data collection were as follows: Conceptions of Fermentation (COF) questionnaire which was used to elicit learners&rsquo / pre- and post-test conceptions of fermentation with special reference to traditional beer or &ldquo / Umqombothi&rdquo / , an Attitudes to Science (ATS) questionnaire which was used to find out the learners&rsquo / worldviews, a Science Achievement Test (SAT) which was used to assess the learners&rsquo / generalised knowledge of fermentation, a classroom observation schedule as well as a focus group interview schedule to gather additional qualitative data. All the instruments were in English with all technical and difficult terms in both English and isiXhosa (the learners&rsquo / home language). Both groups were exposed to Science/IKS-based lessons. The only difference between the two groups was that, the experimental group (E group) was exposed to a Dialogical Argumentation Teaching Model (DAIM) and the comparison group (C group) to a traditional teaching approach. The data gatherred were both analyzed in terms of qualitative and quantitative descriptions.</p>
23

EFL and ESL teacher values and integrated use of technology in universities in the Asia-Pacific region

Boulter, Carmen Henriette January 2007 (has links)
Educators who teach international students English as a second language (ESL) or English speakers teaching English as a foreign language (EFL) in universities in non- English speaking countries in the Asia-Pacific region are often challenged to develop culturally appropriate curriculum for a diverse group of learners. Prompted by educational policy over the past two decades, the technological infrastructure in most universities throughout the world has advanced. Innovative tools for language learning have been developed for computer-assisted instruction. The purpose of the present study was to assess to what extent teachers use multimedia in EFL/ESL university classrooms in relation to the theoretical underpinnings of constructivism as well as Rogers' (1995) theory of diffusion of innovations and adopter categories. Further, the study aimed to ascertain what factors contribute to or discourage teachers' use of multimedia in tertiary level English language teaching classrooms. A mixed- method research design was used and both quantitative and qualitative data were collected. One hundred and seventy-nine English-language teachers from five universities in the Asia-Pacific region were interviewed and data were collected on their use of multimedia. Complex relationships were found among teacher-held educational and cultural values, teaching experience, formal computer professional learning, nationality, institution, region, age, gender, and collaboration with colleagues. Results showed that even with adequate access to hardware, software, technical support and computer professional learning, most teachers in the study made limited use of multimedia in the EFL/ESL classroom. As well, the results indicated that teachers in all three universities in Taiwan used multimedia in the EFL/ESL classroom less than teachers in Australia and in Thailand. Teachers who endorsed constructivist teaching methodologies tended to use multimedia more. Also, teachers with fewer than ten years teaching experience tended to use technology in teaching more. Data showed the use of integrated technology by teachers usually diminished as teachers got older. However, results showed that teachers who engaged in professional learning tended to use multimedia more regardless of age. Future directions in technology integration and recommendations for creating and sustaining a culture of technology at educational institutions are offered. Suggestions for professional development to encourage the integrated use of technology in English language teaching programs are outlined.
24

Effects of a Dialogical Argumentation Instructional Model on Grade 10 Learners' Conception of Fermentation

Diwu, Christopher January 2010 (has links)
Magister Educationis - MEd (Mathematics and Science Education) / The study catered for empirical and metaphysical dimensions of science and IKS. The study employed a quasi-experimental design as well as a qualitative research design. Two cohorts of students from a fictitiously named Culture Secondary School have been used in this study. The list of instruments for data collection were as follows: Conceptions of Fermentation (COF) questionnaire which was used to elicit learnerss pre- and post-test conceptions of fermentation with special reference to traditional beer or Umqombothi an Attitudes to Science (ATS) questionnaire which was used to find out the learners' worldviews, a Science Achievement Test (SAT) which was used to assess the learners' generalised knowledge of fermentation, a classroom observation schedule as well as a focus group interview schedule to gather additional qualitative data. All the instruments were in English with all technical and difficult terms in both English and isiXhosa (the learners&rsquo; home language). Both groups were exposed to Science/IKS-based lessons. The only difference between the two groups was that, the experimental group (E group) was exposed to a Dialogical Argumentation Teaching Model (DAIM) and the comparison group (C group) to a traditional teaching approach. The data gathered were both analyzed in terms of qualitative and quantitative descriptions. / South Africa

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