Describes a study of university students that investigated the effects of a variable unique to Internet-based learning, namely download delay of instructional materials. Discusses a simulated online teaching tool that measured the effects of download delay of images on test performance, time spent on the material, end-user satisfaction, and…

Presents a meta analysis which examines results of 254 controlled evaluation studies that compared student learning in classes taught with and without computer-based instruction (CBI). Outcome measures are described, statistical analysis and effect size are discussed, and results are reported that show that CBI usually produces positive effects on…

This metaanalysis of 32 comparative studies shows that computer-based education has generally had positive effects on the achievement of elementary school pupils. However, these effects are different for off-line computer managed instruction and interactive computer assisted instruction (CAI); interactive CAI produces greater increases in student…

Describes a study of fifth- and sixth-grade students that assessed the relationship of group size, exposure time, and attributions on children's performance on drill and practice of tutorial microcomputer tasks. Results of hierarchical regression are discussed and it is suggested that software designers focus on appropriate feedback to enhance…