The correlation between intimacy and objective similarity in interpersonal relationships

The purpose of this study was to investigate the correlation between interpersonal intimacy and objective similarity of behavioral tendency. Sixty pairs were measured for the intimacy by Rubin's (1970) Love and Liking scale and objective similarity of behavioral tendency by Tuzuki's (1964) TestDELB(Bform). ANOVA of similarity score indicated a significant main effect of gender make up. The similarity score (measured similarities between the 2 persons) of male-male pairs were higher than male-female pairs. A significant positive correlation between similarity score and liking and the perceived similarity factor was observed for the female of male-female pairs.