xiii
TABLE OF CONTENTS
COVER ... i
APPROVAL SHEET ... ii
DECLARATION ... iii
ABSTRACT ... iv
ABSTRACT ... v
MOTTO ... vii
DEDICATION ... viii
ARABIC-LATIN TRANSLITERATION GUIDELINES ... ix
ACKNOWLEDGEMENT ... x
PREFACE ... xii
TABLE OF CONTENTS ... xiii
LIST OF TABLE ... xv
LIST OF APPENDICES ... xvi
CHAPTER I INTRODUCTION A. Research Background ... 1
B. Research Questions ... 5
C. Research Objectives ... 5
D. Research Significances ... 5
E. Organization of Thesis ... 6
CHAPTER II REVIEW OF RELATED LITERATURE A. Theoretical Description ... 8
1. Vocabulary Learning ... 8
2. Cooperative Learning ... 12
3. Snowball Throwing ... 17
B. Theoretical Framework ... 21
C. Review of Previous Studies ... 22
D. Hypothesis ... 25
CHAPTER III RESEARCH METHODOLOGY A. Research Method ... 26
B. Research Population and Sample ... 26
C. Research Participants ... 28
D. Instruments and Data Collection Technique ... 28
E. Validity and Reliability of Instruments ... 29
F. Data Analysis Technique ... 30
G. Research Ethical Consideration ... 32
CHAPTER IV RESEARCH FINDINGS AND DISCUSSION A. Research Results ... 34
B. Discussion ... 43
CHAPTER V CONCLUSION AND RECOMMENDATIONS A. Conclusion ... 46
xiv
B. Implications ... 46 C. Recommendations ... 47 REFERENCES
APPENDICES
xv
LIST OF TABLE
Table 2.1 Cooperative Learning Model Syntax … ... 16
Table 2.2 Research Originality ... 24
Table 3.1 The Students’ Predicate Score ... 29
Table 3.2 Correlation Coefficient Interpretation Guidelines ... 29
Table 3.3 Reliability Table Based on Alpha Values ... 30
Table 4.1 Test of Validity ... 35
Table 4.2 Test of Reliability …. ... 36
Table 4.3 Calculation of Pre-Test Control Class ... 38
Table 4.4 Calculation of Post-Test Control Class …. ... 38
Table 4.5 Calculation of Pre-Test Experimental Class ... 39
Table 4.6 Calculation of Post-Test Experimental Class ... 39
Table 4.7 Normality test of Pre-test Experimental and Control class ... 40
Table 4.8 Normality test of Post-test Experimental and Control class .... 40
Table 4.9 Homogeneity of Pre-Test... 41
Table 4.10 Homogeneity of Post-Test ... 41
Table 4.11Test the Hypothesis ... 42
Table 4.12 Independent Samples Test ... 42
xvi
LIST OF APPENDICES
Appendix 1 Observations list Appendix 2 Teacher interview sheet Appendix 3 Students interview sheet Appendix 4 Validity
Appendix 5 Reliability statistics Appendix 6 Test of Normality Appendix 7 Homogeneity test Appendix 8 Independent sample test Appendix 9 Documentations
Appendix 10 Lesson plan
Appendix 11 Score of experimental and control class
