ABSTRACT
Much of the discussion in the previous chapters has been in the terms that science often uses: general statements about average tendencies. At various points, though, we have paused to consider the ways in which people depart from the average, or where the average conceals a more interesting picture. This has been seen most in the previous two chapters, on decision making. In this one, we shall see how the field of reasoning research has also been changed by the study of individual differences. To do that, we need to stay with decisions for the moment and address a construct that always comes up when people discuss them, one that turns out to be at the centre of the relation between thinking and reasoning and you and me.
