Examines the effects of mastery criteria on the performance and attitudes of undergraduate students who were divided into three treatment groups with mastery criteria set at 70 percent, 80 percent, and 90 percent respectively. Their performance and attitudes were also compared when mastery criteria were increased, decreased, or kept constant…

Describes program design and presents undergraduate students' opinions of computer tutorial--"GROWTH"--used to replace teachers in mastery learning experience. Student reactions were favorable to the program, which stimulated small tutorial group formation. Although females and younger students had more difficulty answering program…