Dr. Diane Halpern is an American psychologist and former president of the American Psychological Association. She is Dean of Social Science at the Minerva Schools at Keck Graduate Institute and also the McElwee Family Professor of Psychology at Claremont McKenna College. She received her PhD from the University of Cincinnati. She has received at least a dozen awards for teaching and research. She wrote a textbook called Thought and Knowledge: An Introduction to Critical Thinking. She and I talk about heuristics, biases, probabilistic thinking, assessing sources of information and many other topics related to critical thinking.