Describes a study of undergraduates that compared the effects of response-certitude adaptive and nonadaptive feedback in a computer-based lesson of verbal information and defined concept tasks. Effects on student performance, feedback-study time, and lesson efficiency are discussed, and implications for future research are suggested. (LRW)

Describes a study that examined the extent to which different levels of instructional control and varied learner characteristics affected performance and time on task, using interactive video in a college biochemistry course. Prior knowledge and learner internality/externality are discussed, and interaction between learner ability and…

Discussion of computer literacy, database technology, and higher-order thinking skills focuses on a study that compared the problem-solving performance of fourth-grade students receiving search strategy training during computer-assisted instruction with students who did not receive training. Time spent on problems and the number of correct answers…