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There are competing accounts of the relationship among social class, culture, and cognition. An interactive hypothesis suggests the relationship between social class and cognitive tendencies varies inasmuch as societies differ in their endorsement of those cognitive tendencies. An alternative additive hypothesis suggests that class-related environments promote differences in cognition. The authors addressed the validity of these accounts by simultaneously examining the effects of class among Americans (an independent society) and Russians (an interdependent society). Consistent with the additive hypothesis, lower social class was associated with more holistic cognition and more interdependent self-views in both countries. In Study 1, people from lower social class backgrounds and Russians displayed less dispositional bias. In Study 2, people from lower social class backgrounds and Russians demonstrated …