TABLE OF CONTENTS TABLES OF CONTENT ………………………………………………… … PART 1: INTRODUCTION ………………………… ……………………… 1 Rationale for the study ………………………………………………….… … Purposes of the study and Research Questions ………………………… … 3.Scope of the study …………………………………………… ……………… Methods of the study ……………………………………………………… … PART 2: DEVELOPMENT …………………………………………………… 2.1 Literature Review ………………………………………………………… 2.1.1 Reading skill …………………………………………… ………….…… 2.1.2 Reading Comprehension ………………………………………………… 2.1.3 Assessment classification ……………………………………………… 2.1.4 Definition of portfolio and classification ………………………………… 2.1.5 Portfolio assessment ……………………………………………………… 2.2 Research context …………………………………………………………… 2.2.1 Setting and Participants ……………………………………………….… 2.2.2 Textbook and Reading Materials …………………………………… … 2.2.3 Reality of teaching and learning reading skill at Nong Cong high school 2.3 Stages of the study ………………………………………………… …… 2.3.1 Instructional Procedure ……………………………………………… … 2.3.2 The Pre-test and Post-test Model …………………………………….… 2.3.3 Portfolio assessment procedure ……………………………………… … 2.4 Data collection 2.4.1 Instrument ……………………………………………………………… PART 3: CONCLUSION ………………………….…………………….…… 3.1 Discussion of the main findings …………………………………………… 3.1.1 The student’s reflections ………………………………………………… 3.1.2 The result of pretest ………………………………………………….… 3.1.3 The result of posttest 3.2 Discussion of the findings……………………………….………………… 3.2.1 Student’s perception on Portfolio Assessment……………………….…… 3.2.2 The impact of using portfolio assessment on students’ reading comprehension 3.3 Limitations and suggestions for further study……………………… .… 54 54 65 75 76 76 86 86 912 913 140 141 141 171 172 183 184 185 187 19 REFERENCE…………………………………………………………………… 20