Contents
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Recognition Memory Recognition Memory
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Transactive Memory Transactive Memory
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No Communication during Learning or Retrieval No Communication during Learning or Retrieval
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Communication during Retrieval Communication during Retrieval
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Communication during Learning and Retrieval Communication during Learning and Retrieval
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Nine Propositions Nine Propositions
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Cognitive Interdependence and Convergent Expectations Cognitive Interdependence and Convergent Expectations
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Shared and Unshared Information Shared and Unshared Information
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Optimal Assignment of Items to Members Optimal Assignment of Items to Members
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Shared and Unshared Knowledge Shared and Unshared Knowledge
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Information Sampling Model Information Sampling Model
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Solving a Problem versus Making a Judgment Solving a Problem versus Making a Judgment
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Social Validation of Information Social Validation of Information
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Common Knowledge Effect Common Knowledge Effect
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Group Judgment Group Judgment
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Group Choice Group Choice
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Jury Memory Jury Memory
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Summary Summary
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Three Memory and Group Problem Solving
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Published:February 2011
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Abstract
This chapter explores research on group memory, which is important in itself and is also frequently a necessary preliminary process for further group problem solving. Research on group recognition memory indicates that group memory is better than the memory of the average individual. Assigning different information to be learned by different group members is more effective than having all members learn all information. Meanwhile, research on shared versus unshared information indicates that groups are more likely to make correct decisions when they believe they are solving a problem rather than making a judgment. Lastly, research on the common knowledge effect demonstrates that the more group members who know an item of information before discussion, the greater the impact of that information on both group judgment and group choice. This indicates the importance of supportive group memory on tasks that have correct answers which are difficult to demonstrate.
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