References
- Cronback, Lee J. “Coefficient Alpha and the internal Structure of Tests,” Psychometrica, 16, pp. 297–335, September, 1951.
- Guilford, J. P. Fundamental Statistics in Psychology and Education, second edition (New York: McGraw-Hill Book Company, 1950), pp. 492–93.
- Lumsdaine, A. A., and Glaser, R. Teaching Machines and Programmed Learning, A Source Book (Washington, EL C: National Education Association, 1960), pp. 286–98.
- Lindquist, E. F. Design and Analysis of Experiments in Psychology and Education (Boston: Houghton Mifflin Company, 1953), pp. 156–71.