Merlin C. Wittrock was a friend and colleague who influenced me and many other contemporary mathematics educators on how students learn. In this article I summarize my interactions with Merl beginning in 1965, and how over the following half-century he influenced my thinking on student learning for understanding and, in turn, on how to design…

Discusses instructional technology in the context of the whole learning environment instead of just in terms of computers and software. Considers assessment of instructional technology, including the role of the student, identifying the learning theory behind a specific instructional application, behaviorism, cognitive development, and faculty…