Describes a study that was conducted to investigate the effect of cooperative learning and the need for affiliation on performance, time on task, and satisfaction of undergraduates using an instructional television lesson. Individual measures are described, cooperative versus individual learning strategies are compared, and future research is…

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…