G willingness to act altruistically increases as

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Unformatted text preview: diator 1964), an evolutionary theory, explains social behaviors in terms of ultimate causes and is useful at predicting the overall patterns of these behaviors (e.g., willingness to act altruistically increases as genetic relatedness increases). However, inclusive fitness theory does not address the underlying psychological mechanisms that cause the overall patterns of behavior to occur (Cunningham, Druen, & Barbee, 1997). Social psychological theories, in contrast, focus on psychological mechanisms, the proximate causes of behavior. Merging evolutionary and social psychology enables simultaneous examination of ultimate and proximate causes of social behaviors and enables a more complete understanding of those behaviors. The present study increases the understanding of altruistic behavior by providing evidence that elaborates the mechanism by which genetic relatedness (i.e., an ultimate cause) affects willingness to act altruistically. In this study, we tested a simple model, one that included only one mediator, emotional closeness (i.e., a proximate cause). The results support our proposition that the evolved p...
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This document was uploaded on 11/18/2013.

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