This volume critically evaluates more than a century of empirical research on the
effectiveness of small, task-performing groups, and offers a fresh look at the costs and …

We present a theoretical model that synthesizes and expands current explanations of the
failure of decision-making groups to effectively use information that is distributed among …

Abstract Information processing in groups has long been seen as a cooperative process. In
contrast with this assumption, group members were rarely found to behave cooperatively …

Research on information sharing in group decision-making has widely assumed a
cooperative context and focused on the exchange of shared or unshared information in the …

Group discussions tend to focus on information that was previously known by all members
(shared information) rather than information known by only 1 member (unshared …

We report the results of a novel experiment that addresses two unresolved questions in the
judgmental forecasting literature. First, how does combining the estimates of others differ …

Collaborative governance systems are likely to be populated by participants with a mix of
social or public service motivations, including both proself and prosocial orientations …

Group members tend to be biased in their evaluation of the information discussed. The
present study aimed to disentangle the effects of preference consistency, social validation …

Participants were given information for and against the decriminalization of marijuana and
discussed the issue in groups. Factors affecting rated importance of information after the …

This updated and expanded edition of Persuasive Communication offers a comprehensive
introduction to persuasion and real-world decision making. Drawing on empirical research …