Dissertations 96 Dissertations, Academic 96 Mathematics Study and teaching 51 Study and teaching (Secondary) 24 Computer-assisted instruction 13 Educational technology 10 Mathematics teachers 7 Science 7 Study and teaching (Elementary) 6 Study and teaching (Primary) 6 Teachers 6 Academic achievement 4 Boundary layer 4 Computer assisted instruction 4 Effective teaching 4 Problem solving 4 Study and teaching (Higher) 4 Teaching 4 Attitudes 3 Audio-visual aids 3 Concept learning 3 Heat 3 Interactive multimedia 3 Mathematical ability 3 Problem-based learning 3 Software 3 Teacher effectiveness 3 Transmission 3 Ability testing 2