Presents a framework characterizing cognitive models generated by sixth-grade students for simple opening/closing control mechanisms, like the elevator door. The students' conceptions, missing conceptions, and misconceptions are analyzed at three levels: device knowledge; perception of the control process; and perceptions of information flow. (LAM)

Discusses computerphobia and its relationship to other anxiety literature, and describes a study of university students that explored the reasons for computerphobia. Retrospective computer and mechanical experiences are investigated, personality style and the effect of various media are examined, and comparisons are made between severe and milder…