CHAPTER 1 INTRODUCTION 1
1.1 Statement of the problem 1
1.2 Rationale of the study 1
1.3 Research hypothesis 9
1.4 Purposes of the study 9
1.5 Research questions 10
1.6 Significance of the study 10
1.7 Definitions of terms 12
CHAPTER 2 LITERATURE REVIEW 14
2.1 Two basic constructs of vocabulary learning 14
2.2 Variables 40
2.3 Summary 54
CHAPTER 3 RESEARCH METHODOLOGY 55
3.1 Research design 55
3.2 Variables 56
3.3 Participants 57
3.4 Materials 58
3.5 Instruments 64
3.6 Procedures 68
3.7 Data collection and scoring 71
3.8 Data analysis 72
3.9 Pilot Study 74
3.10 Experimental phases 87
3.11 Summary 88
CHAPTER 4 RESULTS 89
4.1 Results of the Vocabulary Pretest 89
4.2 Answer to Research Question 1 93
4.3 Answer to Research Question 2 99
4.4 Answer to Research Question 3 100
4.5 Answer to Research Question 4 104
4.6 Answer to Research Question 5 105
4.7 Results of the T/F comprehension test 108
4.8 Summary 109
CHAPTER 5 THE E-DICTIONARY-BASED ENHANCERS FOR VOCABULARY LEARNING MODEL 110
5.1 Model elements 110
5.2 Details of E-dictionary-Based Enhancers for Vocabulary Learning Model 120
5.3 Summary 122
CHAPTER 6 CONCLUSIONS,IMPLICATIONS AND LIMITATIONS 123
6.1 Conclusions 123
6.2 Implications and recommendations 127
6.3 Limitations and suggestions for further research 131
6.4 Summary 134
REFERENCES 135
APPENDICES 145
ACKNOWLEDGEMENTS 190