The original version of the Relationship Inventory (RI) was given to 169 subjects who completed it in terms of their current closest personal friend. The correlations between the sixty-nine items were factor-analysed using a principal-factor solution to determine whether or not the items represented the four postulated factors of empathy, congruence and level of and unconditionality of regard. Nineteen factors were extracted and rotated by the Varimax method. The first four factors reflected the four postulated factors, thus supporting the construct validity of the original RI.
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