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INVESTIGATION INTO EFFECTS OF ETHNOSCIENCE BASED INSTRUCTIONAL MODEL 

SCIENCE EDUCATION TOPICS AND MATERIALS

INVESTIGATION INTO EFFECTS OF ETHNOSCIENCE BASED INSTRUCTIONAL MODEL ON STUDENTS’ ACADEMIC ACHIEVEMENT AND BIOLOGY

ABSTRACT


This study was designed and conducted to determine the effects of ethnoscience-based instructional model (ESBIM) on students’ academic achievement and interest in Senior Secondary Biology. The study employed a non equivalent control group quasi-experimental design. The sample for this study comprised of two hundred and twenty three SSI Biology Student. The study was conducted in six government co-education secondary schools in Nsukka Education Zone of Enugu State. The schools were drawn through a stratified random sampling. In each school, one intact class was drawn for the study through a simple random sampling making a total of six intact classes. Out of the six schools, three schools were assigned to the experimental group while the remaining three schools were assigned to the control group. The experimental group was taught Biology using the ethnoscience based instructional model while the control group was taught Biology using the lecture method. Two instruments Biology Achievement Test (BAT) and Biology interest scale (BIS) were constructed and validated and reliability of internal consistency and stability were established (0.96 and 0.835 respectively) before using them for data collection. The BIS and BAT were used to collect data for students’ Achievement and interest respectively. The research questions were answered using mean and standard deviation while the hypotheses were tested at (P<0.05) using analysis of covariance (ANCOVA). The result revealed that the ethnoscience based instructional model is superior to the lecture method in fostering interest and achievement among the students. The study also revealed that the use of ethnoscience based instructional model does not show any significant difference in the achievement and interest of male and female students. Thus the use of ESBIM will not only help arrest the problem of male being regarded as high achiever, in science-related courses but will also encourage the female students to enroll in such courses. Based on these, some recommendations were made which include; that seminars and workshops should be organized by government and relevant professional bodies like STAN to educate and sensitize the teachers on the proper use of the model (ESBIM). An urgent curriculum review to reflect the Nigerian culture and environment in secondary school curriculum was also recommended.  

 

TABLE OF CONTENTS

Title Page                                                                                                                   i

Dedication                                                                                                                 ii

Acknowledgments                                                                                                   iii

Abstract                                                                                                                     iv

Table of Contents                                                                                                     v

CHAPTER ONE: INTRODUCTION

Background of the Study                                                                                        1

Statement of the Problem                                                                                        8

Purpose of the Study                                                                                               9

Significance of the Study                                                                                        10

Scope of the Study                                                                                                   12

Research Questions                                                                                                 13

Hypotheses                                                                                                               13

CHAPTER TWO: LITERATURE REVIEW

Conceptual Framework                                                                                        16

Concept of Ethnoscience                                                                                        16

Concept of Interest                                                                                                  21

Concept of Achievement                                                                                        24

Concept of Gender                                                                                                   26

Lecture Method                                                                                                        27

Theoretical Framework                                                                                        28

Cognitive Learning Theories of Piaget and Ausbel Learning Theory              28

Review of Empirical Studies                                                                                31

Studies on Ethnoscience                                                                                         31

Studies on Interest and Biology Achievement                                                    37

Studies on Gender and Biology Achievement                                                     41

Summary of Literature Review                                                                          44

CHAPTER THREE: RESEARCH METHOD  

Research Design                                                                                                       47

Area of the Study                                                                                                     48

vii

Population of the Study                                                                                          48

 

Sample and Sampling Techniques                                                                         49

Instruments for Data Collection                                                                            49

Validation of Instrument                                                                                         50

Reliability of Instrument                                                                                         50

Control of Extraneous Variables                                                                           51

Experimental Procedures                                                                                        53

Method of Data Collection                                                                                                 54

Method of Data Analysis                                                                                        54

CHAPTER FOUR: PRESENTATION OF RESULTS

Research Question One                                                                                           55

Research Question Two                                                                                          55

Research Question Three                                                                                        56

Research Question Four                                                                                          57

Research Question Five                                                                                          58

Research Question Six                                                                                            58

Hypothesis One                                                                                                        59

Hypothesis Two                                                                                                       60

Hypothesis Three                                                                                                     60

Hypothesis Four                                                                                                       60

Hypothesis Five                                                                                                       61

Hypothesis Six                                                                                                         61

Summary of Major Findings                                                                                   62

CHAPTER FIVE: DISCUSSION, CONCLUSION AND SUMMARY  

Discussion of Findings                                                                                            63

Conclusion Reached from the Findings of the Study                                         67

Educational Implications of the Findings                                                                        67

Recommendation                                                                                                     69

Limitation of the Study                                                                                           69

 viii

Suggestion for further Study                                                                                  70

 

Summary of the Study                                                                                             70

REFERENCES

APPENDICES  

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