Educational technology Computer-assisted instruction 364 Education 134 Teaching 117 Aids and devices 97 Information technology 85 Study and teaching 82 Distance education 81 Effect of technological innovations on 81 Internet in education 79 Interactive multimedia 78 Education, Higher 74 Design 71 Instructional systems 62 Media programs (Education) 56 Educational innovations 43 Computer network resources 41 Teachers 37 Mobile communication systems 32 Internet in higher education 29 Data processing 28 Audio-visual education 26 Learning 26 Web-based instruction 25 College teaching 20 Congresses 18 In-service training 18 Social aspects 18 Training of 18 Curriculum planning 17