Charles M. Reigeluth

Charles M. Reigeluth is an American educational theorist who focuses on instructional design theories. He holds a B.A. in economics from Harvard University and a Ph.D. in instructional psychology from Brigham Young University, and he is a professor in the Instructional Systems Technology Department at Indiana University and a former chairman of that department. He is the creator of an instructional design system called Elaboration Theory, in which information to be learned is arranged so that simpler concepts build up to narrower and more detailed elaborations, placing the content in a meaningful context. In 1999 he edited Instructional-Design Theories and Models, Volume II, and in 2001 he received a distinguished service award from the Association for Educational Communications and Technology.