Describes a study that investigated the performance of preschoolers and children in the first three years of formal education on tasks that involved skills using a mouse-based control of a graphical computer interface. The children's performance is compared with that of novice adult users and expert users. (five references) (LRW)

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…