Discussion of adolescent rebelliousness highlights a study of high school students that explored the relationship between rebelliousness as a personality trait and the enjoyment of defiant rock music. Hypotheses tested are discussed, the use of MTV concept music videos is explained, gender differences are considered, and further research is…

Describes study that investigated the effects of learner control and program control on the achievement and continuing motivation of high school students. The influence of the availability of computer-delivered instruction on student motivation was also examined, results are analyzed, and further research needs are suggested. (37 references)…

Describes a study that examined the evolution of students' perceptions in grades 4 through 10 concerning computers over the course of 3 years. The use of Clark's concept of media attributions is explained; and results related to the three dependent variables of preference, perceived learning, and perceived difficulty are reported. (32 references)…

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…