The problem of enabling a teaching machine to adapt to the individual characteristics of students in presenting course material has been considered--general outlines of computer algorithms and decision criteria have been formulated. It is assumed that there exists both an ordered set of concepts which comprise the material to be learned and, for…

This research report recounts the procedures, results, and recommendations of a research project in which more than 200 tenth-grade students in Florida were tested (1) to determine whether aptitude treatment interaction (ATI) effects on syntactic maturity and on knowledge of structural relationships occur after several months of instruction; (2)…