Analyzes assumptions underlying learner-centered, technology-based environments in light of how well learners appear to meet the cognitive demands for engaging them. Design implications include the following considerations: direct learner attention to key variables and visual cues; prompt and guide connections to prior knowledge; and provide…

Investigates the effects of studying alone or in cooperative-learning groups on the performance of high and low achievers, using either learner- or program-controlled computer-based instruction. Participants were 92 sixth-grade students. Results suggest that cooperative learning provides beneficial effects, and imply a need for software designers…