A computer-assisted course on programing, consisting of a set of 50 lessons, was developed for and is now being used by National Aeronautics and Space Administration (NASA) personnel. The course is intended for students at about the junior college level with no experience in mathematics beyond high school algebra and with no previous introduction…

To explore the problem of designing an automated system for instruction in programing, and to study the problem-solving behavior of students, computer programs written by 40 college students as part of a CAI course in Algebraic Interpretive Dialogue were analyzed. The self-contained course consisted of 50 tutorial lessons; the analysis covers…