Argues that when students interrupt their thought flow during composition writing to edit language, syntax, or mechanics, the pauses obstruct fluency and dilute concentration. Use of the word processor for invisible composition is described to show how computers reduce time spent on composing and alter quantity and quality of time. (MBR)

Outlines technological and cognitive considerations in the selection of authoring systems for writing computer-assisted instruction (CAI) lessons. Topics discussed include hardware selection; documentation; text display; screen appearance; branching and sequencing; text editing; graphics; animation; sound and voice input and output; student…

Discusses the role of computers with young children and suggests that effective use should be based on an understanding of how children learn. Topics discussed include curriculum goals; criteria to consider when buying computers; teacher training; software selection; environmental considerations; and criteria for integrating computers into early…