Learner and program control of content review within computer assisted instruction (CAI) were studied to determine their effects on the posttest performance and attitudes of eighth grade students. The science-related instructional treatments were completed by 98 students who were blocked by gender and reading ability and randomly assigned to…

Reports on a naturalistic study conducted with 24 low-achieving high school biology students that determined how the teacher and students used two computer-based videodisk programs, a print-based activity, and a dissection laboratory to learn about frog anatomy and to conduct a frog dissection. Future research is suggested. (Contains 14…

Describes a study of ninth graders that investigated the effects of learner and program control over content review in science-related computer-assisted instruction (CAI). Results of posttests, continuing motivation measures, and attitude questions are discussed; and future research is suggested. (35 references) (LRW)