References
- Barlow, John A. “Conversational Chaining in Teaching Machine Programs,” Psychological Reports, VII, October, 1960, pp. 187–193.
- Estes, William K. “Learning,” in Chester W. Harris, Ed., Encyclopedia of Educational Research, 3 rd ed., New York: The Macmillan Co., 1950, pp. 752–770.
- Guthrie, Edwin R. The Psychology of Learning rev. ed., New York: Harper, 1952, 310 pp.
- Krumboltz, John D., and Weisman, Ronald G. “The Effect of Overt vs. Covert Responding to Programed Instruction on Immediate and Delayed Retention,” Journal of Educational Psychology, in press.