Summarizes the implications of constructivism for instructional systems design in five principles that integrate the affective and cognitive domains of learning. Distinguishing characteristics of the two approaches are described based on a review of recent literature, and examples are offered that discuss learner controlled computer-based…

Describes a study that investigated the effects of learner control and of advisement in a hypertext learning environment with second-grade students who had different levels of prior knowledge about the content. Topics discussed include computer-assisted instruction; learner control; and recommendations for instructional design in a hypertext…

Describes a study that investigated the effect of curiosity on learning art education facts and concepts by first and second graders in computer-based interactive learner-controlled environments with and without advisement. Results are compared with a previous study on learner control and advisement, and implications for instructional design are…

Describes a study of undergraduate students that investigated the effects of two types of learner control and two types of incentives--task-contingent and performance-contingent--on learners' achievement, attitudes, use of options, and time on program using computer-delivered instruction. Implications for instructional design and research are…