-strategic decisions, even when no outgroup exists, and I relate the effects of group membership on individual decisions to joint decision … same as team decisions. This finding bridges the literature on team decision making and on group membership effects …. -- Keywords: Individual behavior ; group membership ; team decision-making ; experiment …

, suggesting that social interaction or consultation improves the decision making process. Greater transparency for the decision … reflecting the structure of the preference relations. However, we do find some cases where the less difficult decision leads to a … higher rate of decision error, both for individuals and groups; we argue that this is consistent with the representativeness …