TABLE OF CONTENTS

Cover page      -           -           -           -           -           -           -           i

Declaration      -           -           -           -           -           -           -           ii

Dedication      -           -           -           -           -           -           -           iii

Certification    -           -           -           -           -           -           -           iv

Acknowledgement      -           -           -           -           -           -           v

Table of Contents       -           -           -           -           -           -           vi

List of Tables              -           -           -           -           -           -           x

Abstract          -           -           -           -           -           -           -           xi

CHAPTER ONE

INTRODUCTION

1.1       Background to the Study       -           -           -           -           -           1

1.2       Statement of the Problem       -           -           -           -           -           4

1.3       Objectives of the Study         -           -           -           -           -           6

1.4       Research Questions   -           -           -           -           -           -           6

1.5       Hypotheses of the Study       -           -           -           -           -           6

1.6       Significance of the Study      -           -           -           -           -           7

1.7       Scope of the Study    -           -           -           -           -           -           8

1.8       Limitations of the Study       -           -           -           -           -           8

1.9       Operational Definition of Terms     -           -           -           -           9

CHAPTER TWO

REVIEW OF RELATED LITERATURE

2.1       Theoretical Framework           -           -           -           -           -           10

2.1.1    Cognitive Load Theory by John Sweller (1988)         -           -           10

2.2       The Concept of Instructional Materials          -           -           -           11

2.2.1   Types of Instructional Materials         -           -           -           -           14

2.2.2    The Concept of Teachers’ Effectiveness        -           -           -           18

2.2.3    Models of Teachers’ Effectiveness     -           -           -           -           19

2.2.4    Factors Affecting Teachers’ Effectiveness     -           -           -           26

2.2.5        Instructional Materials and Teachers’ Effectiveness  -           -           29

2.3       Review of Related Empirical Studies -           -           -           -           32

2.4       Summary of Related Literatures Reviewed   -           -           -           36

CHAPTER THREE

RESEARCH METHOD

3.1       Research Design         -           -           -           -           -           -           37

3.2       Area of Study             -           -           -           -           -           -           -           37

3.3       Population of Study    -           -           -           -           -           -           39

3.4       Sample and Sampling Technique        -           -           -           -           39

3.5       Research Instrument   -           -           -           -           -           -           39

3.5.1    Scoring of the Instrument       -           -           -           -           -           40

3.5.2    Validation of the Instrument  -           -           -           -           -           40

3.5.3    Reliability of the Instrument   -           -           -           -           -           40

3.5.4    Validation of the Instrument  -           -           -           -           -           41

3.6       Method of Data Collection     -           -           -           -           -           41

3.7       Method of Data Analysis       -           -           -           -           -           42

CHAPTER FOUR

DATA PRESENTATION AND ANALYSIS

4.1       Introduction    -           -           -           -           -           -           -           43

4.2       Presentation and Analysis of Data            -           -           -           43

4.2.1    Research Question 1   -           -           -           -           -           -           43

4.2.2    Research Question 2   -           -           -           -           -           -           44

4.2.3    Research Question 3   -           -           -           -           -           -           45

4.3       Test of Hypotheses    -           -           -           -           -           -           46

4.3.1    Test of Hypothesis One         -           -           -           -           -           46

4.3.2    Test of Hypothesis Two        -           -           -           -           -           47

4.3.3    Test of Hypothesis Three      -           -           -           -           -           48

4.4       Discussion of Findings           -           -           -           -           -           49

CHAPTER FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

5.1      Summary         -           -           -           -           -           -           -           51

5.2       Conclusion      -           -           -           -           -           -           -           51

5.3       Recommendations      -           -           -           -           -           -           53

5.4       Suggestion for Further Studies           -           -           -           -           54

REFERENCES

APPENDIX

LIST OF TABLES

Table 1: Presentation of Research Question on Use of

   Charts and Job Effectiveness among Teachers  -           -           43

Table 2: Presentation of Research Question on Use of

   Textbooks and Job Effectiveness among Teachers        -           -           44

Table 3: Presentation of Research Question on Use of

   Charts and Job Effectiveness among Teachers  -           -           45