1. The Nature of Science and Science Teaching, Wadsworth Publishing Co., Belmont, Calif., 1968, pp. 113–122.
2. “Evaluation as Enlightenment for Decision Making,” in Improving Educational Assessment and an Inventory of Measures of Affective Behavior, Ed., Association for Supervision and Curriculum Development, Washington, 1969, pp. 50–51.
3. Research styles in science education
4. Approaches to science education research: Analysis and criticism