Deductive Logic, Including Qualified Reasoning
Ennis, R. H. (2007). 'Probable' and its equivalents. In Hans V.Hansen & Robert C. Pinto (Eds.), Reason reclaimed: Essays in honor of J. Anthony Blair and Ralph H. Johnson. Newport News, VA: Vale Press. Pp. 243-256.
Ennis, R. H. (2006). 'Probably'. In David Hitchcock & Bart Verheij (Eds.), Arguing on the Toulmin model. Dordrecht, the Netherlands: Springer. Pp. 145-164.
Ennis, R. H. (2004). Applying soundness standards to qualified reasoning. Informal Logic, 24, 1, 23-39.
Ennis, R. H. (2001). Argument appraisal strategy: A comprehensive approach. Informal Logic, 21.2 (2), 97-140.
Ennis, R. H. (1996) Critical thinking. Upper Saddle River, NJ: Prentice-Hall.
Sutton, R. & Ennis, R. H. (1985). Logical operations in the classroom. In Husen, T. and Postlethwaite, T. N. (Eds.), International encyclopedia of education: Research and studies. Oxford: Pergamon Press. Pp. 3129-3139
Ennis, R.H. (1981). A conception of deductive logic competence. Teaching Philosophy, 4, 337-385.
Ennis, R.H. (1976). An alternative to Piaget's conceptualization of logical competence. Child Development, 47, 903-919.
Ennis, R.H. (1975). Children's ability to handle Piaget's propositional logic: A conceptual critique. Review of Educational Research, 45, 1-41.
Ennis, R.H. (1971). Conditional logic and primary school children: A developmental study. Interchange, 2, 126-132.
Ennis, R. H. (1969). Ordinary logic. Englewood Cliffs, NJ: Prentice-Hall.
Ennis, R. H. (1969). Logic in teaching. Englewood Cliffs, NJ: Prentice-Hall.
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