Unformatted text preview: hmaros, Department of Psychology, University of Connecticut, 406 Babbidge Rd., U-1020, Storrs, CT
06269-1020; e-mail: [email protected] 262 Copyright © 2001 American Psychological Society edness increased among kin, women tended to be more willing to aid
friends than kin. Furthermore, two studies (Korchmaros, 1999; Smith
et al., 1987) showed that individuals were more willing to act altruistically toward their spouses than toward others with whom they shared
higher degrees of genetic relatedness. These results might be explained by emotional closeness.
We propose that emotional closeness is an important proximal
cause of altruism that partially mediates the relationship between genetic relatedness and altruism. As was true during the Pleistocene and
is still somewhat true today, societies are organized in such a way
that many of the variables known to lead to attraction and, consequently, emotional closeness—propinquity (Berscheid, 1985; Festinger,
Schachter, & Back, 1950; Segal, 1974), frequency of interaction
(Newcomb, 1961; Saegert, Swap, & Zajonc...
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