A metaanalysis of elementary school computer-assisted instruction (CAI) research found that lower achievers profit more from CAI; it is more effective in primary grades; boys may learn more than girls; drill and practice produces highest effect sizes; and no relationship exists between year of study publication and effect size. (MBR)

A meta-analysis of findings from 24 controlled evaluations showed computer-assisted instruction (CAI) usually has positive effects on adult learners, i.e., it raised examination scores and reduced instruction time. Reliable conclusions could not be reached on CAI's long-term cognitive effects because of small number of studies investigating such…