Suggests that writing is a rhythmic activity. Claims that the combined effect of rapidly switching between composing and revising is to set up complex cycles of engagement and reflection that may disrupt the flow of composition. Describes "Writer's Assistant," a writing environment designed to study computer support for writing processes. Proposes…

This review of research on microcomputers and their impact on education highlights literature reviews and findings from 1975 to the present; meta-analysis issues and procedures; findings of research on instructional effectiveness; word processing; Logo; student attitudes and characteristics; and implications of these findings for computer use and…