Virtual schools have the potential to improve student learning--but so far, as asserted in this article, research tells little about how online instruction affects student performance. Most of the studies that pointed to good student outcomes were small in scale and based on specific programs or products. Few provide data to help understand…

A meta-analysis of 51 studies of computer-based instruction shows: a rise in student test scores; student attitudes toward the subject that are slightly more favorable; student attitudes toward computers that are strikingly more positive; and savings from 39 percent to 88 percent in student learning time. (MLF)

A meta-analysis of nearly 200 research studies, plus a review of the literature on staff development, point to the importance of program design in providing insights that teachers can use in their classrooms. Appended are 32 references. (MLF)

A meta-analysis of inservice teacher education research determines the significance of the following factors for learning effectiveness: training objectives, training duration, training group characteristics, location and scheduling, sponsorship, participant incentives, structure, and instructional technique. Suggestions to help staff developers…