Telling more than we can know: Verbal reports on mental processes.

  title={Telling more than we can know: Verbal reports on mental processes.},
  author={Richard E. Nisbett and Timothy D. Wilson},
  journal={Psychological Review},
Evidence is reviewed which suggests that there may be little or no direct introspective access to higher order cognitive processes. Subjects are sometimes (a) unaware of the existence of a stimulus that importantly influenced a response, (b) unaware of the existence of the response, and (c) unaware that the stimulus has affected the response. It is proposed that when people attempt to report on their cognitive processes, that is, on the processes mediating the effects of a stimulus on a… 
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