FryeE. B.Teaching machines: an investigation of constructed response versus multiple-choice methods of response. Automated Teaching Bulletin, 1959, 1, 11–12.
2.
HollandJ. G.Teaching psychology by a teaching-machine program. Amer. Psychologist, 1959, 14, 414. (Abstract)
3.
OakesW. F.Use of teaching machines as a study aid in an introductory psychology course. Psychol. Rep., 1960, 7, 297–303.