William James, the turn of the century psychologist, philospher, and educator, was avidly interested in the relationship between psychology and teaching. This paper considers operant conditioning, timing of reinforcers, and programmed instruction--touchstones of B.F. Skinner in the teaching/learning milieu. Of course, materials not just methods…

Letter-letter, letter-number, and number-letter paired associates were used in this A-B, B-C, A-C study. There were two A-C lists, the positive-transfer stimulus-items of one became the negative-transfer stimulus-items of the other, and vice versa. Twenty subjects were included and each learned one A-C list. The main effects included, among…