Discusses the role of Local Education Authorities (LEAs) in creating policies for the use of microcomputers in education, and presents a comparative analysis of four case studies in the United Kingdom to explain why LEAs have varied in their policy response to the new technology. (Author/LRW)

A methodology for confronting students with the inconsistencies entailed by their own beliefs is outlined. This methodology is illustrated using the dynamics domain of physics and a computer modeling program, DYNALAB. (KR)

Form and function of reinforcement is discussed with attention to the focus for feedback. Case studies of five junior high schools provide data and field notes for a tentative analysis of the determinants of reinforcement including organizational factors and types of computer assisted instruction applications. (Author/MBR)