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Abstract
One area of group decision‐making research in the 1980s evolved from Hirokawa ‘s development of the functional perspective. This perspective focuses on the relationship between the nature of the utterances in the group discussion and the effectiveness of decisions. Two functions of a group discussion are to share information with the group and to analyze the meaning of the information about the problem. This paper reports two experiments in which the amount and type of information and the time to consider the information were varied. The results suggest that the provision of information leads to improved decision making, but that time pressure has no effect on the quality of decisions.