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@article{ Hopthrow2005,
 title = {The Effect of Group Decision Making on Cooperation in Social Dilemmas},
 author = {Hopthrow, Timothy and Hulbert, Lorne G.},
 journal = {Group Processes & Intergroup Relations},
 number = {1},
 pages = {89-100},
 volume = {8},
 year = {2005},
 doi = {https://doi.org/10.1177/1368430205049253},
 urn = {https://nbn-resolving.org/urn:nbn:de:0168-ssoar-227709},
 abstract = {A robust finding in social dilemma research is an increase in individual cooperative                choice following group discussion about the dilemma. To elaborate the idea that this                effect arises from the development of within-group consensus, groups of six made                explicit group decisions about their subsequent individual choice. Perceived                demonstrability of cooperativeness in the dilemma was manipulated through changes                both to instructions and the incentives of the dilemma. As demonstrability                decreased, so did the proportion of groups deciding to cooperate, leading to a                reduction in the group discussion effect. Social decision scheme analysis supported                the demonstrability-group decision hypothesis. The interaction between                demonstrability, individual opinions and group process is proposed to explain the                group discussion effect.},
}