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Erickson (2003: 1155) believed that the qualitative research involves detailing information about an everyday event and identifying the personal understandings of participants in the event. A necessary example of an event is the implementation of a teaching program, which can be studied by observing and documenting classroom discourse and pedagogy. In this case, identifying and revealing the students’ meanings of school science and everyday science knowledge and the students’ awareness of knowledge should be considered critically while investigating what students understand. Quantitative methods are viewed as a tradition of emphasis on the measurement and analysis of fundamental relationships between research variables rather than the research inquiry process (Denzin and Lincoln, 1998: 8-9). The quantitative method could be used to provide good information for qualitative research, such as using computer assisted methods and low-level statistics to analyze frequency counts. Also, the statistical measures, methods, and documents could be used as a way of selecting a group of subjects from a larger population. 2. Methodology and Methods in Design of the Research This research study used an interpretive methodology to develop a teaching intervention to promote the eleventh grade student understandings about photosynthesis in Thailand. Figure 3.1 shows developmental processes and evaluating processes of the intervention as a research design. The development process was concerned with the first research question, and evaluating process was concerned with the second research questions presented in Chapter 1. 70
Figure 3.1 Research Design of the Teaching Intervention The teaching intervention was developed through the prior study in 2002, analysis of the National Education Act of 1999, the National Science Curriculum (IPST, 2002), and the relevant literature discussed in Chapter 2. The analyzed information provided guiding principles for the developed intervention i.e. photosynthesis lessons. There were seven photosynthesis lessons developed with the cooperation of biology teachers who were going to implement the lessons. These lessons were used to teach three classes of Grade 11 students, for twelve 50-minute 71
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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
Page 33 and 34: Table 2.3 Basic Science Content Sta
Page 35 and 36: Table 2.3 (Cont’d) Contents Conte
Page 37 and 38: light energy and chlorophyll 2 H O
Page 39 and 40: 2. Photosynthesis Itself Plants, al
Page 41 and 42: of chlorophyll. The students believ
Page 43 and 44: Up to this point, those previous st
Page 45 and 46: partly because of the biology educa
Page 47 and 48: (Matthews, 1997: 6). Philosophicall
Page 49 and 50: understanding capability of environ
Page 51 and 52: 4. Social Constructivism The Russia
Page 53 and 54: 5. Constructivist-Based Teaching ab
Page 55 and 56: peers, while the control group work
Page 57 and 58: generation to the next” (Cobb and
Page 59 and 60: 2.1) Thai Living Styles Thailand is
Page 61 and 62: focuses prepare them to take the Na
Page 63 and 64: culture. First, Thai existing views
Page 65 and 66: Third, the nature of science is the
Page 67 and 68: democratic view, that the understan
Page 69 and 70: 4. Summary: Integrating the Nature
Page 71 and 72: elationship between one concept and
Page 73 and 74: Brown (2003) used a combination of
Page 75 and 76: Focusing on thinking and encouragin
Page 77 and 78: Which aspect of the nature of scien
Page 79 and 80: teaching photosynthesis needs impro
Page 81 and 82: − encouraging students to partici
Page 83: The attempt to understand and inter
Page 87 and 88: was considered to differentiate the
Page 89 and 90: 2.1) Teacher Preparation for Implem
Page 91 and 92: 3. Evaluating Impacts of Photosynth
Page 93 and 94: Figure 3.2 Survey Developmental Pro
Page 95 and 96: 1.2) Advanced Photosynthesis Survey
Page 97 and 98: 1. accessibility - is enabling the
Page 99 and 100: implementation of the teaching inte
Page 101 and 102: Table 3.4 Data Collection Program S
Page 103 and 104: students. The learning culture in t
Page 105 and 106: 1. Surveys: Content Analysis Conten
Page 107 and 108: They were confirmed by the teachers
Page 109 and 110: CHAPTER IV THE PHOTOSYNTHESIS TEACH
Page 111 and 112: structures and functions of chlorop
Page 113 and 114: Therefore, this study focused on us
Page 115 and 116: from constructivism to socio0cultur
Page 117 and 118: Sub-stand 1: Living Things and Livi
Page 119 and 120: stroma. 5.3) Lists of Concept Propo
Page 121 and 122: c) Light independent (dark) phase
Page 123 and 124: Figure 4.1 Photosynthesis Concept M
Page 125 and 126: Lesson 1 ‘Plant food’, aimed to
Page 127 and 128: Lesson 5 ‘Light independent (dark
Page 129 and 130: Table 4.1 Photosynthesis Lesson Pla
Page 131 and 132: Table 4.1 Cont’d Lesson 3. Struct
Page 133 and 134: 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.
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Table 5.7 Mr. Vyn’s Students Sele
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Mr. Vyn had his own style of teachi
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5. Mr. Vyn’s Implementation of th
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Mr. Vyn: …No. 4…mineral is plan
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The misconception that CO2, mineral
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Although the students incompletely
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model of chloroplast structure base
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undle-sheath cells. Both cells cont
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Table 5.9 Advanced Photosynthesis C
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However, there was no discussion ab
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change in term of application of ol
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5.4) Principle IV: Enabling Student
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discussion. “The teacher always d
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photosynthesis e.g. dark phase. Als
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2. Background Information about Mrs
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Table 5.12 Mrs. Amp’s Students Se
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laboratory activities and concept m
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misconceptions about plant food, pa
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The misconceptions about plant and
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Table 5.13 Correcting the Introduct
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percentages misunderstood that the
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Table 5.14 Advanced Photosynthesis
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One conception about science demand
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Table 5.15 The Nature of Science of
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Not only relating photosynthesis kn
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the book and summarized the concept
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Cross Case Studies: Implementation
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In case of the teachers e.g. Mrs. A
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students’ own views about plants
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CHAPTER VI SUMMARY, DISCUSSION AND
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5. The students’ understanding of
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learning participation rarely appea
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the students to understand the rela
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the science project for environment
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ecause old knowledge was reinterpre
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Table 6.2 Learning Activities Sugge
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understandings about the light inde
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Therefore, this research suggested
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Amir, R. and P. Tamir. 1995. Propos
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Bell, B. 1998. Teacher development
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Campbell, N. and J. Reece. 2002. Bi
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Duit, R. and D. Treagust. 2003. Lea
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Govindjee, J., T. Beatty, and H. Ge
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Institute for the Promotion of Teac
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Lin, H. and C. Chen. 2002. Promotin
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Merriam, S. 1988. Case Study Resear
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Patton, M. 1990. Qualitative Evalua
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Smith, M. and L. Scharmann. 1999. D
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Von Glasersfeld, E. 1995. Radical C
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APPENDIX A: INTRODUCTORY PHOTOSYNTH
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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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