1. Structures and strictures: Some functional limitations on the course of cognitive growth
2. Evaluation of an attempt to teach scientific inquiry and criticism in a working class high school
3. Designing evaluations of educational and social programs. San Francisco: Jossey-Bass, 1982.
4. The effect of field dependence-independence and instructional sequence on the achievement of high school biology students. Paper presented at the National Association of Research in Science Teaching, Toronto, 1979.
5. Meta-analysis of the outcomes of teaching biology as inquiry. Unpublished doctoral dissertation. Boulder, Colorado: University of Colorado, 1979.