Proposes an instructional design model which bridges the gap between the cognitive psychology and instructional design field. The model predicts when learning of task components will occur and suggests which components of a task should receive training. The proposed decomposition model guides task analysis when designing instruction of…

Based on intuitive speculation, a literature review, and trial situations with students, this comprehensive listing describes, explains, and classifies the functions that visuals might perform when used to support verbal narration. This summary will be followed in the future by establishment and testing of the functions' validity. (MBR)

Defines cognitive computer tools as software programs that use the control capabilities of computers to amplify, extend, or enhance human cognition; suggests seven ways in which computers can aid learning; and describes the "Learning Tool," a software package for the Apple Macintosh microcomputer that is designed to aid learning of…