Paul A. M. van Lange

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The author provides a conceptual framework for understanding differences among prosocial, individualistic, and competitive orientations. Whereas traditional models conceptualize prosocial orientation in terms of enhancing joint outcomes, the author proposes an integrative model of social value orientation in which prosocial orientation is understood in(More)
This research evaluates the might vs. morality effect (Liebrand, Jansen, Rijken, & Suhre, 1986) by examining whether the manipulation of the perception of partner's honesty and intelligence interacts with the observer's own social value orientation to influence the latter's expectations regarding partner cooperation and own cooperation in a social dilemma.(More)
On the basis of an interdependence analysis, it is proposed that commitment to a close relationship is associated with cognitive interdependence—a mental state characterized by a pluralistic, collective representation of the self-in-relationship. A cross-sectional survey study and a 2-wave longitudinal study revealed that strong commitment to a romantic(More)
The authors address locomotion in social dilemmas, examining the influence of social value orientation (prosocial, individualistic, and competitive orientations) and partner's strategy (100% cooperation, tit for tat, and 100% noncooperation) on cooperative behavior and locomotion to enhanced or reduced levels of interdependence (tendencies toward approach(More)
This research adopted an interdependence analysis of sacrifice, examining the link between commitment (i.e., the subjective experience of dependence and long-term orientation) and willingness to sacrifice in ongoing close relationships, and determining whether this link is moderated by preexisting individual differences in social value orientation (i.e.,(More)
This study examines preference for commuting to work by car or public transportation (PT) within an expanded social dilemma framework (i.e., one that recognizes the importance of both social and temporal concerns). Commuters completed scales assessing commuting preferences, beliefs regarding the environmental impact of cars, social value orientation (SVO),(More)
The central purpose of the present research is to examine the ability of social value orientation (i.e., prosocial, individualistic, and competitive orientation), as measured with methods rooted in game theory (i.e., decomposed games), to predict real-life prosocial behavior. Consistent with hypotheses, results revealed that individual differences in social(More)