1. , & Dimensions in classroom management derived from recent research. Paper presented at the annual meeting of the American Educational Research Association, San Francisco, April 1979. (ERIC Document Reproduction Service No. ED 175 860)
2. An empirical investigation of individual differences in time to learn.
3. & Mastery learning in classroom instruction. New York: Mac-millan, 1975.
4. & 31. In (Ed.), Review of research in education, Itasca, IL: R. E. Peacock Publishers, Inc., 1976, Vol. 4.