The methods described in this book are designed to allow the teacher who is unfamiliar with the technical characteristics and demands of a computer to prepare instructional materials for computer-assisted tutorial lessons. The techniques are not dependent upon the requirements of a particular CAI system, but are generalized for any system using a directed-dialog (as opposed to drill-and-practice) approach. The parameters computer-assisted instruction (CAI) imposes on the organization and expression of the instructional substance of a CAI course are discussed. Optimum methods of frame design and question design are recommended. In order to provide a good basis for individual scan design, the various types of answers a student may make are characterized. Mechanisms are suggested for ordering the student answer and the computer response in a reliable manner and for guarding against system misinterpretation of a student's response. Methods of branching, quoting, control, scoring, as well as special subroutines are also illustrated. (JY)