From a viewpoint of identity negotiation framework (Swann, 1987), it was hypothesized that outcomes of the negotiation appear more clearly in the early ( = unstable) stage than in the stable stage of interpersonal relationship development. In study 1, we found that reflected self-appraisal was influenced by appraisal from one's partner in the early stage. In study 2, no such effects were found in the stable stage. These results supported our hypothesis. Furthermore, detailed analyses of specific components of self in the early stage revealed that the outcomes of negotiations on the cognitiv...