elf, Youngcook (1995) stated that:
...For the task of solving linear equations, the study was run on a system that is a hybrid of Computer-Aided Instruction (CAI) and peer tutoring: Linear Kid. In this learning environment, three agents come into play in the peer tutoring stage: the student, the computer learner and the computer coach. (p. 3435)
Essentially, the Linear Kid program required students to watch how the computer system solved a set of tasks. The program then proceeded to help the student act as a teacher in order to learn more about the subject matter. Youngcook (1995) reports that Linear Kid was tested for its effects on math performance in two schools: (a) School A, a public high school in a medium-size city and (b) School B, a selective public high school operated by a major university.
Data collection methods used in the study included interviews, surveys, and analysis of on-line data recorded by the system itself. Two types of findings are presented, qualitative a
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