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2. “Critical Thinking at LaGuardia Community College.” Final report submitted to the National Endowment for the Humanities, Humanities Department, LaGuardia Community College, Long Island City, New York, 1985.
3. Thinking Critically 3/E. Boston: Houghton Mifflin, 1991.
4. Thinking in the Classroom: A Survey of Programs. New York: Teachers College Press, 1986.
5. and “Intellectual Levels in College Classrooms.” In and (eds.), Studies in Post-Secondary Teaching: Experimental Results, Theoretical Interpretations, and New Perspectives. New York: Free Press, 1983.