Abstract
Pairs of male students, having specific extra-laboratory affective relationships, competed for a prize in a 2-person game. An uncooperative partner resulted in a reduction in S's level of cooperative responding when the partner was either liked or unknown, but the initial level of cooperativeness was maintained when the partner was disliked. The results support a cognitive congruity model of social interaction in 2-person competitive games under conditions of low-value payoff. (18 ref.) (PsycINFO Database Record (c) 2016 APA, all rights reserved)