Purpose of the Study 7 Research Hypotheses and Rationale 9 Assumptions of the Study Limitations of the Study 13. Definition of Terms CHAPTER 2. REVIEW OF LITERATURE 17 iii Adoption and diffusion theory 18 Definition of innovativeness 22 Adopter categorization 23 Measuring innovativeness 24 Review of related innovativeness research 27 Attitudes Toward the Use of Instructional Media 30 Importance of attitudes and attitude measurement in education ... 30 Definition of attitudes 31 Measuring attitudes in education 31 Attitude change and instructional media 33 Review of related attitude research 35 Barriers Affecting the Use of Instructional Media 38 Individual resistance to media innovations 38 Institution resistance to media innovations 39 Types of barriers to the use of instructional media 40 Factors affecting the use of instructional media 42 Review of related barrier research 43 Summary 46 CHAPTER 3. METHODOLOGY 50 Reliability of the survey instrument 54 Data Collection 55 Data Coding and Input 56 Data Analysis 57 CHAPTER 4. RESULTS 59 Demographic Data 59 Years .of teaching experience 59 Number of in-service training sessions attended 60 Highest educational Level attained 60 Relationship among three demographic variables 62 Descriptive Statistics for Scales. 64 Distributions of scale scores 65 Results of Hypotheses Testing Other Findings Summary CHAPTER 5. DISCUSSION Purpose and Procedures of the Study Findings and Conclusions Demographic characteristics 89 • General perspectives on the three measures 90 Tests of hypotheses Recommendations Recommendations for Taiwan teachers colleges 96 Recommendations for future research 96