Teaching Aids and devices 719 Education 286 Study and teaching 250 Teachers 214 Learning 145 Educational technology 117 Classroom management 108 Effective teaching 102 Training of 91 Computer-assisted instruction 83 Vocational guidance 83 Computer network resources 79 Learning, Psychology of 66 Methodology 59 Internet in education 58 Educational psychology 57 Lesson planning 47 Design and construction 38 Interactive multimedia 36 Individualized instruction 32 Case studies 31 Psychological aspects 31 Philosophy 30 Thought and thinking 30 Research 29 Compact discs in education 28 Educational innovations 28 Design 27 Education, Higher 26