A retrospective review of 50 years of research and development experience showing the connectedness of the author's theoretical ideas to practical application. An effort to show designers how over the span of a career new ideas begin as work-related insights and discoveries that by problem solving flow together to create a unique personal view of…

In this critical literature review, we seek to understand why multidimensional, psychological measures of human emotion that have been popular in the study of emotion and learning to date, may not yield the statistical power or construct validity necessary to consistently explain or predict human learning. We compare competing theories and…

Discusses the relationship between theory and application in the field of educational technology. The relationship of technology to education is examined, including the role of the teacher; the theory and practice of instructional design is discussed; and the importance of integrating design with instructional implementation is emphasized. (60…