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Davis, James H. Chen, Xiao-ping 2011-05-07T12:17:58Z 2011-05-07T12:17:58Z 10000-01-01 1995 A social dilemma is a situation in which members of a group are faced with a conflict between two choices: maximizing personal interests (defection) or maximizing collective interests (cooperation). It is generally more profitable to defect, but if all do so, all are worse off than if all choose to cooperate. A public goods dilemma is a special case of a social dilemma in which people must contribute resources to provide a public good. Communication, especially face-to-face discussion, has been shown to be effective in facilitating cooperation in such situations, including asking members to make a pledge to contribute (cooperate). The purpose of this study was to evaluate some explanations for the effectiveness of a pledge in enhancing cooperation. 256 undergraduate students (in groups of four subjects) were asked to make choices in a public goods dilemma. The results suggest that a pledge is effective in enhancing cooperation because it induces group identity and the perception of criticality. It is suggested that when face-to-face discussion is not feasible, a pledge system may be effective in solving real life social dilemmas. Made available in DSpace on 2011-05-07T12:17:58Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9543552.pdf: 2323579 bytes, checksum: 8e553acbe91071da322f168ea852edad (MD5) Previous issue date: 1995 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:39:19Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:16:31-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only AAI9543552 (UMI)AAI9543552 http://hdl.handle.net/2142/19770 eng Copyright 1995 Chen, Xiao-ping Psychology, Social Sociology, Public and Social Welfare The group-based binding pledge as a solution to public goods problems text Psychology Psychology University of Illinois at Urbana-Champaign Dissertation Ph.D.