- Marilyn Kourilsky, The Use of an Adversary Approach in Teaching Economics. Chicago: Southwestern Publishing Co., 1970.
- Goodwin Watson and Edward M. Glaser, Watson-Glaser Critical Thinking Appraisal. New York: Harcourt Brace and World, Inc., 1964, p. 6.
- Benjamin Bloom, Editor, Taxonomy of Educational Objectives: Cognitive Domain. New York: David McKay Co., 1956.
- W. James Popham, The Teacher-Empiricist. Los Angeles, Cal.: Tinnon-Brown, Inc., 1970, Part 6.
- Donald T. Campbell and Julian C. Stanley, “Experimental and Quasi-Experimental Designs for Research on Teaching,” in N.L. Gage, Editor, Handbook of Research on Teaching. Chicago: Rand McNally, 1967, pp. 195–196.
- W. James Popham, An Evaluation Guidebook: A Set of Practical Guidelines for the Educational Evaluator. Washington, D.C.: U.S. Dept, of the Interior, January 1971, p. 66.
The Journal of Economic Education
Volume 3, 1972 - Issue 2