抄録
3 experiments were conducted to examine the significance of social space which a group maintain between others. In Exps. I and II using photographs of 2 male undergraduate students at various mutual body orientations (from 0° to 180°), an appropriate distance between them and impressions of their relationship were investigated. Main results were as follows: (a) When 2 men facing each other at the right angle oriented their bodies slightly backward (135°), the appropriate distance between them was the shortest. (b) At this angle, the impression that they are close friends and they are having a serious conversation intensified. In Exp. III, Ss were given the simple work of classifying a number of one-digid-numbers recorded on the tape. After the work was performed alone, the same work was repeated under one of 5 social space conditions. Main results were as follows: (a) Control condition (S sat alone) showed the greatest increase in performance. (b) Increase in performance in Known conditions (S knew the 2 confederates) was suppressed in comparison with Unknown conditions.