Corrections to Lynch and Cohen

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Abstract

Reports an error in the original article by John G. Lynch, Jr., and Jerry L. Cohen (Journal of Personality and Social Psychology, 1978[Oct], Vol 36[10], pp. 1138–1151). Published here are three corrections to symbols, equations, and/or sentences appearing on pages 1140, 1143, and 1146. (The following abstract of this article originally appeared in record 1980–05406–001.) Proposes a modified subjective expected utility formulation as a model for better understanding helping behavior. Two experiments designed to test the usefulness of the proposed formulation are reported: In Exp I, 11 male and 14 female undergraduates had to react to variations of 3 scenarios of helping situations, reporting the likelihood of their giving aid; in Exp II, 34 Ss responded to a more complicated variation of one of the scenarios, telling how bad they would feel if they did not stop to help. Results of Exp I support the assumption that the probability (P) and utility (U) of a given consequence combine multiplicatively. Results of Exp II question the assumption that the P × U products for different consequences combine additively. These results suggest, instead, that a product averaging and more specifically a differential-weighted product averaging, may provide a more accurate descriptive model. The implications of such a model for understanding human helping behavior are discussed. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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