The purpose of this study was to examine the aspect of closeness that the
Relationship Closeness Inventory (Berscheid et al. 1989:
RCI) measures. Four hundred undergraduate students (177 male and 223 female) identified the one person whom they considered to be close. And then they completed a questionnaire about that relationship including questions on six
behavioral traits. Principal component analyses of six
behavioral traits were conducted for four conditions-male friendship, female friendship, male romantic relationship, and female romantic relationship. The results showed that several princial components were observed in all conditions. Especially,
present progressive component was observed in all conditions and
stable component in three of the four conditions. Correlations between
RCI score and each component score showed that
RCI score was highly correlated with
present progressive component, but had almost no correlation with the other components. Based on the results, the validity and limitation of the
RCI was discussed.
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