Using Logic in Special Classrooms (1)

Cherkes, M. G. 1976. The role of logic in special class instruction. Unpublished.

Goodstein, H. A. ; Cawley, J. F. ; Gordon, S. ; and Helfgott, J. 1972. Verbal problem solving among educable mentaily retarded children. American Journal of Mental Deficiency 76:2, pp. 238–241.

Johnson-Laird, P. N. , and Tridgell, J. 1972. When negation is easier than affirmation. Quarterly Journal of Experimental Psychology 24:87–91.

Lipman, M. , and Sharp, A. M. 1975. Harry Stotlemeier's discovery. Montclair, New Jersey: Institute for the Advancement of Philosophy for Children.

Spitz, H. H. 1966. The role of input organization in the learning and memory of mental retardates. In International review of research in mental deficiency, vol. 2, ed. N. Ellis. New York: Academic Press.

Wason, P. C. , and Johnson-Laird, P. N. 1972. Psychology of reasoning. Cambridge, Massachusetts: Harvard University Press.