Knowledge and the Prediction of Behavior: The Role of Information Accuracy in the Theory of Planned Behavior

The results of the present research question the common assumption that being well informed is a prerequisite for effective action to produce desired outcomes. In Study 1 (N = 79), environmental knowledge had no effect on energy conservation, and in Study 2 (N = 79), alcohol knowledge was unrelated to drinking behavior. Such disappointing correlations may result from an inappropriate focus on accuracy of information at the expense of its relevance to and support for the behavior. Study 3 (N = 85) obtained a positive correlation between knowledge and pro-Muslim behavior, but Study 4 (N = 89) confirmed the proposition that this correlation arose because responses on the knowledge test reflected underlying…