Thinking Aloud: Insights Into Information Processing

John W. Payne Duke University Protocol Analysis: Verbal Reports as Data, rev. ed. , by K. A. Ericsson and H. A. Simon. Cambridge, MA: MIT Press, 1993. 443 pp. + liii. Cloth, 40. 00; paper, 19. 95. The label is now widely accepted among psychologists. One feature of information processing, or cognitive, approaches to psychology is a concern not only with the product of thought but with the processes or mechanisms of thought as well. For example, information processing researchers interested in decision making are concerned with the cognitive processes that lead to a decision in addition to the nature of the expressed judgment or choice.