Design 75 Design and construction 41 System design 33 Instructional systems 25 Computer-assisted instruction 18 Feedback control systems 11 Computer programs 10 Data processing 10 Human-computer interaction 10 Microelectromechanical systems 10 Dissertations 8 Dissertations, Academic 8 User interfaces (Computer systems) 8 PID controllers 7 Wireless communication systems 7 Automation 6 Computer software 6 Development 6 Evaluation 6 Industrial applications 6 Mobile communication systems 6 Speech processing systems 6 Automatic speech recognition 5 Educational technology 5 Study and teaching 5 User-centered system design 5 Adaptive control systems 4 Computer network resources 4 Distance education 4 Interactive multimedia 4