This review, which examines three sources of evidence about the effects of computer-assisted instruction on student achievement (national surveys, research reviews, and recent experimental studies), concludes that existing evidence of computer effectiveness is scanty. A new research initiative is described which combines the benefits of survey and…

Discusses the use and advantages of integrated learning systems (ILSs) in elementary and middle grades, and reanalyzes 30 evaluations of ILSs by using effect size statistics. Research problems are described, including poor evaluation designs and inadequate data collection and analysis; and a table summarizes the ILS research reports and…