published_or_final_version / Dentistry / Master / Master of Dental Surgery

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Includes bibliographical references (leaves [1-20]). A systematic analysis of wear involving the in vitro analysis of the wear of standard composite resin and glass ionomer cements restorations under controlled conditions; and, the qualitative and quantitative investigation of wear over a range of pH's and loads which might be encountered clinically in order to develop a "wear map" of the micromorphology of wearing teeth and restorations and a systematic modeling of wear rates.

The purpose of this study is to assess the effectiveness of an intermediate textbook titled &ldquo / New Bridge to Success 3&rdquo / , which was prepared by Ministry of National Education as an instructional material for the ninth grade high school students from the perspectives of the teachers and students. The evaluation of the textbook concerned was conducted at macro level on the basis of eleven criteria. Both quantitative and qualitative data were obtained through student questionnaires administered to 336 students and interviews with eight teachers. Frequencies, percentages, means and standard deviations were calculated for each item to describe the overall picture of how the students rated the textbook in terms of ten criteria. Data collected through interviews were transcribed, content- analyzed and grouped according to 11 criteria used in this study for the evaluation of the particular textbook The results revealed that both teachers and students felt negative about the most of the characteristics of the textbook. It was found that the reading passages needed to be simplified in terms of both vocabulary load and structures. Majority of the students and all the teachers mentioned that the level of the textbook was not appropriate for the particular age group. It also indicated that the materials failed to consider learning style preferences of the visual, auditory, and kinesthetic learner. On the other hand, one of the strengths of the textbook was the artwork&rsquo / s being up-to date and helpful for the students to understand the lesson

Includes bibliographical references (leaves [1-20]). / xxi, 168, [20] leaves : ill. (some col.) ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / A systematic analysis of wear involving the in vitro analysis of the wear of standard composite resin and glass ionomer cements restorations under controlled conditions; and, the qualitative and quantitative investigation of wear over a range of pH's and loads which might be encountered clinically in order to develop a "wear map" of the micromorphology of wearing teeth and restorations and a systematic modeling of wear rates. / Thesis (Ph.D.)--University of Adelaide, Dept. of Dentistry, 2001

This post-use evaluation research aims to investigate the appropriacy of academic writing materials to contextual needs, and to investigate the essential considerations concerning these materials. This case study was conducted with the participation of program designers, teachers, and students at three universities in Hungary, Turkey, and Oman. A unique checklist was developed to evaluate the materials. The data collection process consisted of questionnaires and interviews. The results concur with findings in the literature regarding the benefits of using computer-mediated communication in the writing class, the need to combine process and product pedagogies, the necessity of having discipline-specific themes, and the need to provide students with more guidelines and input. Interestingly, contrary to the literature, the students do not seem to benefit from peer feedback / they value teacher feedback more. Furthermore, despite their increasing role in writing, there are few collaborative writing activities in these materials. The quantitative and the qualitative data also demonstrate that the program designers and the teachers consider in-house writing materials more appropriate than global materials, since they were developed in view of the learning context and the specific requirements. However, neither global nor in-house materials are regarded as motivating and attracting for the students. There are relatively new areas for further research as a result of these findings: the role of free writing in EAP and the ways to manage mixed language levels of the students. All these findings are expected to provide insights to researchers and practitioners in the fields of writing and materials evaluation.

This post-use evaluation research aims to investigate the appropriacy of academic writing materials to contextual needs, and to investigate the essential considerations concerning these materials. This case study was conducted with the participation of program designers, teachers, and students at three universities in Hungary, Turkey, and Oman. A unique checklist was developed to evaluate the materials. The data collection process consisted of questionnaires and interviews. The results concur with findings in the literature regarding the benefits of using computer-mediated communication in the writing class, the need to combine process and product pedagogies, the necessity of having discipline-specific themes, and the need to provide students with more guidelines and input. Interestingly, contrary to the literature, the students do not seem to benefit from peer feedback / they value teacher feedback more. Furthermore, despite their increasing role in writing, there are few collaborative writing activities in these materials. The quantitative and the qualitative data also demonstrate that the program designers and the teachers consider in-house writing materials more appropriate than global materials, since they were developed in view of the learning context and the specific requirements. However, neither global nor in-house materials are regarded as motivating and attracting for the students. There are relatively new areas for further research as a result of these findings: the role of free writing in EAP and the ways to manage mixed language levels of the students. All these findings are expected to provide insights to researchers and practitioners in the fields of writing and materials evaluation.

ABSTRACT AN EVALUATION OF TIME FOR ENGLISH 4, THE 4TH GRADE ENGLISH COURSEBOOK FOR PUBLIC SCHOOLS &Ouml / zdemir, Fatma Esra M.A., Department of English Language Teaching Supervisor : Prof. Dr. H&uuml / sn&uuml / Enginarlar September 2007, 119 pages The purpose of this study was to find out the how the fourth grade students in public schools and the fourth grade English teachers evaluated the English coursebook Time for English 4 in terms of purpose, approach, visual design, presentation of vocabulary and language, practice activities and exercises, supporting sources, and supporting materials. To fulfill this aim, a teacher questionnaire, a student questionnaire and a teacher interview was prepared by the researcher. The questionnaires were administered face to face to 102 randomly selected fourth grade students in Beypazari and 15 English teachers in the districts of Altindag, Beypazari, Ke&ccedil / i&ouml / ren, and Mamak. Six of the English teachers were also interviewed in order to obtain qualitative data. The interviews were recorded on a tape recorder and then transcribed. Quantitative data was analyzed by calculating the frequency counts, percentages, arithmetic means, and the standard deviations of the responses given to the questionnaires. Qualitative data obtained from the interviews was analyzed by using content analysis. According to the results of the study, both the teachers and the students were content with the coursebook. The level of satisfaction was higher among the students. Students identified two problems about the instructions and the songs in the coursebook. Teachers identified four more problems about the teacher&rsquo / s book, the number of vocabulary items, the number of units, and the presentation of the language items. Necessary suggestions were made for the solution of the problems to the relevant parties.

The purpose of the present study was to investigate the cultural load of the reading texts of the Spot On 8 ELT textbook published in Turkey, and to find out the teachers&rsquo / and students&rsquo / perceptions concerning the presence of native, target and other world cultures (C1, C2 and C3 respectively) in ELT textbooks. In order to fulfill these aims, a checklist, a teacher questionnaire, a student questionnaire, a teacher interview were developed by the researcher. Moreover, the impressionistic overview and the item frequency procedure were applied for the analysis of cultural content of the textbook. Quantitative data were analyzed by calculating the frequencies, percentages, and the Chronbach alpha. Qualitative data were analyzed by applying the coding system for the categorization of collected responses and content analysis. The results showed that the cultural load of the textbook was insufficient and that the percentage of cultural elements in the reading passages is significantly low. The teachers&rsquo / satisfaction with the textbook appeared to be relatively low and students showed neither high level of satisfaction with their textbook nor dissatisfaction with it. Overall, there is a serious mismatch between teachers&rsquo / and students&rsquo / perceptions of culture and the real cultural load of the textbook. The target culture prevails in the reading texts although teachers considered native and other world cultures to be important as well, and students showed equally low interest in target and other world cultures giving the preference dominantly to their native culture.

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