Programmed instruction 17 Reading 6 Dissertations 5 Dissertations, Academic 5 Multimedia systems 5 Teaching 4 Aids and devices 3 Computer-assisted instruction 3 Interactive multimedia 3 Study and teaching 3 Authoring programs 2 Mathematics 2 Programmed instructions 2 Study and teaching (Secondary) 2 Algorithms 1 Arabic language 1 Assembly-line methods 1 Authoring programms 1 Automatic data collection systems 1 Automation 1 C (Program language) 1 CAD/CAM systems 1 Computer-aided design 1 Congenital heart disease in adolescence 1 Data processing 1 Decimal fractions 1 Design 1 Education, Preschool 1 Electronic trading of securities 1 Engineering design 1