Proposes directions to help researchers balance instructional technology goals with the performance of well-designed and scientifically sound studies. Issues concerning the external validity of studies, use of media replications, and learner control as a means of adapting instructional strategies to individuals are emphasized, and designs for…

Compares the performance and attitudes toward instruction of eighth graders working individually on a computer-based sex education lesson with those of learners working cooperatively in dyads. Interactions on an attitude measure were detected among instructional method, gender, and ability, and results indicate that cooperative instruction yielded…