The case for motivated reasoning.
It is proposed that motivation may affect reasoning through reliance on a biased set of cognitive processes--that is, strategies for accessing, constructing, and evaluating beliefs. The motivation to be accurate enhances use of those beliefs and strategies that are considered most appropriate, whereas the motivation to arrive at particular conclusions enhances use of those that are considered most likely to yield the desired conclusion. There is considerable evidence that people are more likely to arrive at conclusions that they want to arrive at, but their ability to do so is constrained by their ability to construct seemingly reasonable justifications for these conclusions. These ideas can account for a wide variety of research concerned with motivated reasoning.
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Department of Psychology, Princeton University, New Jersey 08544-1010.
D001290:Attitude; D003210:Concept Formation; D006801:Humans; D009042:Motivation; D011340:Problem Solving; D012938:Social Perception