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They appeared to study biology for particular taking the Entrance examination. Some students would like to study biology outside the school, with private institutes. Up to this point, the three case studies with Mrs. Engka in the Border School, Mr.Vyn in the Market School and Mrs. Amp in the Babysat School have been crossed to discuss and generate whole views of the implantation and the impacts of the photosynthesis teaching intervention based on the six guiding principles. 210
Cross Case Studies: Implementation and the Impacts of the Teaching Intervention This study describes the context that three participant teachers studied in an intensive manner. Mrs. Engka, Mr. Vyn and Mrs. Amp, the three different biology teachers, differed in terms of the teaching background, in particular content knowledge, the belief about how students learned and how teachers should teach, and the teaching planning. These differences individually resulted in teaching and learning photosynthesis. The teacher’s belief of student learning had affected correcting Grade 11 students’ misconception about introductory photosynthesis. The teachers, who believed in constructivist approach, appeared to focus on explicating and correcting the students’ prior/introductory misconceptions using several learning activities. For example, Mrs. Engka who believed that teaching by only lecturing could not longer develop the students’ learning about biology consistently corrected her students’ misconceptions using discussion, game, reading assignment, concept mapping and collaborative learning. Then, a majority of her students were found to complete correcting the misconceptions about plant food and plant materials. Hazel and Prosser (1994) and Brown (2003) supported that concept mapping with discussion powerfully helped teachers to explore and analyze the students’ conceptions. The discussion might enable correcting the misconceptions. 211 On the other hand, the teachers, who were unaware of the prior misconceptions and strongly believed in teacher-centered approach, appeared to teach by emphasis on lecturing. For example, Mr. Vyn who believed that students had to learn from teacher’s transmission, and Mrs. Amp who believed that students learned from writing words/statements on their notebook, often used lecture and reading homework without discussion. The study found that their students retained the misconceptions and generated new misconceptions about introductory photosynthesis.
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THESIS CASE STUDIES OF TEACHING AND
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TABLE OF CONTENTS Page LIST OF TABL
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TABLE OF CONTENTS (CONTINUED) iii P
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TABLE OF CONTENTS (CONTINUED) v Pag
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LIST OF TABLES Table Page 2.1 Struc
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LIST OF TABLES (CONTINUED) Table Pa
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CHAPTER I INTRODUCTION This chapter
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led to improvement in the promotion
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water worked as food transported wi
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suggested peer collaboration for hi
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chloroplasts and pigments, the ligh
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would like to develop a new teachin
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concepts, such as absorption of lig
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conceptions, the scope of biology e
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3, and 8. In Grades 11-12, the scie
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Table 2.3 Basic Science Content Sta
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Table 2.3 (Cont’d) Contents Conte
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light energy and chlorophyll 2 H O
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2. Photosynthesis Itself Plants, al
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of chlorophyll. The students believ
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Up to this point, those previous st
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partly because of the biology educa
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(Matthews, 1997: 6). Philosophicall
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understanding capability of environ
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4. Social Constructivism The Russia
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5. Constructivist-Based Teaching ab
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peers, while the control group work
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generation to the next” (Cobb and
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2.1) Thai Living Styles Thailand is
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focuses prepare them to take the Na
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culture. First, Thai existing views
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Third, the nature of science is the
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democratic view, that the understan
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4. Summary: Integrating the Nature
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elationship between one concept and
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Brown (2003) used a combination of
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Focusing on thinking and encouragin
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Which aspect of the nature of scien
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teaching photosynthesis needs impro
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− encouraging students to partici
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The attempt to understand and inter
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Figure 3.1 Research Design of the T
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was considered to differentiate the
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2.1) Teacher Preparation for Implem
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3. Evaluating Impacts of Photosynth
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Figure 3.2 Survey Developmental Pro
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1.2) Advanced Photosynthesis Survey
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1. accessibility - is enabling the
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implementation of the teaching inte
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Table 3.4 Data Collection Program S
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students. The learning culture in t
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1. Surveys: Content Analysis Conten
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They were confirmed by the teachers
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CHAPTER IV THE PHOTOSYNTHESIS TEACH
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structures and functions of chlorop
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Therefore, this study focused on us
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from constructivism to socio0cultur
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Sub-stand 1: Living Things and Livi
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stroma. 5.3) Lists of Concept Propo
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c) Light independent (dark) phase
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Figure 4.1 Photosynthesis Concept M
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Lesson 1 ‘Plant food’, aimed to
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Lesson 5 ‘Light independent (dark
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Table 4.1 Photosynthesis Lesson Pla
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Table 4.1 Cont’d Lesson 3. Struct
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Table 4.1 Cont’d Lesson 5. Light
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Table 4.1 Cont’d Lesson 6. Studen
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After the researcher finished devel
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per a week, namely two 60-min perio
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always asked what she really did no
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schooling studying, she studied Phy
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B = blackboard C = instrument cupbo
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Forty nine percentages had partial
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for photosynthesis. Only seven perc
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Table 5.3 Correcting the Introducto
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Mrs. Engka: Right (confirmed). You
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structures might be a metaphor of u
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Table 5.4 Advanced Photosynthesis C
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In her planning for the nature of s
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participating in role play discussi
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5.4) Principle IV: Enabling Student
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inside and outside teaching period.
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Activities 5.6) Principle VI: Encou
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6. Summary of the Border School In
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2. Background Information about Mr.
Page 173 and 174: Table 5.7 Mr. Vyn’s Students Sele
Page 175 and 176: Mr. Vyn had his own style of teachi
Page 177 and 178: 5. Mr. Vyn’s Implementation of th
Page 179 and 180: Mr. Vyn: …No. 4…mineral is plan
Page 181 and 182: The misconception that CO2, mineral
Page 183 and 184: Although the students incompletely
Page 185 and 186: model of chloroplast structure base
Page 187 and 188: undle-sheath cells. Both cells cont
Page 189 and 190: Table 5.9 Advanced Photosynthesis C
Page 191 and 192: However, there was no discussion ab
Page 193 and 194: change in term of application of ol
Page 195 and 196: 5.4) Principle IV: Enabling Student
Page 197 and 198: discussion. “The teacher always d
Page 199 and 200: photosynthesis e.g. dark phase. Als
Page 201 and 202: 2. Background Information about Mrs
Page 203 and 204: Table 5.12 Mrs. Amp’s Students Se
Page 205 and 206: laboratory activities and concept m
Page 207 and 208: misconceptions about plant food, pa
Page 209 and 210: The misconceptions about plant and
Page 211 and 212: Table 5.13 Correcting the Introduct
Page 213 and 214: percentages misunderstood that the
Page 215 and 216: Table 5.14 Advanced Photosynthesis
Page 217 and 218: One conception about science demand
Page 219 and 220: Table 5.15 The Nature of Science of
Page 221 and 222: Not only relating photosynthesis kn
Page 223: the book and summarized the concept
Page 227 and 228: In case of the teachers e.g. Mrs. A
Page 229 and 230: students’ own views about plants
Page 231 and 232: CHAPTER VI SUMMARY, DISCUSSION AND
Page 233 and 234: 5. The students’ understanding of
Page 235 and 236: learning participation rarely appea
Page 237 and 238: the students to understand the rela
Page 239 and 240: the science project for environment
Page 241 and 242: ecause old knowledge was reinterpre
Page 243 and 244: Table 6.2 Learning Activities Sugge
Page 245 and 246: understandings about the light inde
Page 247 and 248: Therefore, this research suggested
Page 249 and 250: Amir, R. and P. Tamir. 1995. Propos
Page 251 and 252: Bell, B. 1998. Teacher development
Page 253 and 254: Campbell, N. and J. Reece. 2002. Bi
Page 255 and 256: Duit, R. and D. Treagust. 2003. Lea
Page 257 and 258: Govindjee, J., T. Beatty, and H. Ge
Page 259 and 260: Institute for the Promotion of Teac
Page 261 and 262: Lin, H. and C. Chen. 2002. Promotin
Page 263 and 264: Merriam, S. 1988. Case Study Resear
Page 265 and 266: Patton, M. 1990. Qualitative Evalua
Page 267 and 268: Smith, M. and L. Scharmann. 1999. D
Page 269 and 270: Von Glasersfeld, E. 1995. Radical C
Page 271 and 272: APPENDIX A: INTRODUCTORY PHOTOSYNTH
Page 273 and 274: 1. Tick any of these items which ca
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6.5) Plants need carbohydrate for t
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APPENDIX B: ADVANCED PHOTOSYNTHESIS
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5. Tick any item (s) which you thin
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12. Here is a statement about plant
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