Current research on direct instruction is reviewed with a particular emphasis on studies of instructional design and technology and research on effective staff development. Among conclusions was that the same instructional variables affecting learner performance with traditional materials affect learning with computer-assisted instruction and…

Seven secondary teachers of 57 students with learning disabilities used a videodisc program to teach fractions. Teacher and student reactions were very positive, almost two-thirds of the students reached or exceeded criterion performance, and teaching styles of participating teachers subsequently became more interactive. (JDD)