In this book Jonathan St B T Evans has selected a number of key publications which have strongly influenced the psychology of reasoning from the 1970's to the present day. The book includes introductory forewards and postscripts placing each work in a wider context, and it will be essential reading for researchers in the psychology of reasoning, and a wider audience of advanced students with an interest in reasoning and/or dual process theory.

Jonathan St B.T. Evans is Emeritus Professor of Cognitive Psychology at the University of Plymouth, UK. He has conducted research into the psychology of thinking, reasoning and decision making over the past 40 years. He is author of eight books and more than 200 scientific articles on these topics. His work includes the study of cognitive biases in reasoning and decision making with particular expertise in conditional reasoning. He is best known for his career-long interest in dual processes and systems underlying higher cognition.

Preface 1. Wason selection task 2. Syllogisms 3. Conditionals 4. Heuristic-analytic and hypothetical thinking theory 5. Rationality 6. The paradigm shift in the psychology of reasoning 7. Dual processes, systems and minds