In this study, we focused on familiarity and social sensitivity of group member, and we investigated how they affected performance a consensus game. A consensus game is one of communication game. Its purpose is to solve some problems by group discussion. In this experiment, we used the consensus game called “If you have distress in the desert?” Its task is to list 12 items in order of importance for survival. 186 students participated in this experiment. They were divided into groups of 4-6 people. They were told to list the items alone. After that, they were told to list them by discussion in the group. Then, they took reading the mind in the eyes test (RMET) to measure their social sensitivity. Finally, they were asked to answer their familiarity.Effect of familiarity (High, Middle, and Low) and social sensitivity (High, Low) were analyzed using ANOVA. In the analysis of group’s score, group of high social sensitivity were higher than another group. Then, in the analysis of the difference between personal and group score, group of high social sensitivity were higher than another group, especially in the group of high familiarity. These results indicated that social sensitivity improve their group decision making. Especially they had a close relationship, the result have a pronounced tendency to improve. Therefore, it is important for group decision making or problem solving to enhance our social sensitivity and to create an environment that can freely express our opinions one another.
Naohiro Obata, Hokusei Gakuen University, Japan
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