Includes bibliographical references and indexes.

Creating a psychology of reasoning: the contribution of Peter Wason / Jonathan St. B.T. Evans and Stephen E. Newstead -- The effects of rule clarification, decision justification, and selection instruction on Wason's abstract selection task / Richard A. Griggs -- Content effects in Wason's selection task / Roger L. Dominowski -- Pragmatic reasoning about human voluntary action: evidence from Wason's selection task / Keith J. Holyoak and Patricia W. Cheng -- Deontic reasoning / Ken I. Manktelow and David E. Over -- Inference and mental models / Philip N. Johnson-Laird -- Relevance and reasoning / Jonathan St. B.T. Evans -- The abstract selection task: thesis, antithesis, and synthesis / David W. Green -- Finding logic in human reasoning requires looking in the right places / David P. O'Brien -- Hypothesis testing / Michael E. Gorman -- Scientific reasoning / Ryan D. Tweney and Susan T. Chitwood -- The THOG problem and its implications for human reasoning / Stephen E. Newstead, Vittorio Girotto, and Paolo Legrenzi -- Creativity in research / Peter Wason.