Volume 49, Issue 6 pp. 1255-1271
Research Article

Self-referenced interpersonal similarity phenomena: Theoretical specification and assessment at the individual, dyadic and group levels

Thomas E. Malloy

Corresponding Author

Thomas E. Malloy

Social Relations Laboratory, Rhode Island College, Providence, Rhode Island, USA

Correspondence

Thomas E. Malloy, Department of Psychology, Rhode Island College, Mt. Pleasant Avenue, Providence, RI 02908, USA.

E-mail: [email protected]

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First published: 06 February 2019
Citations: 2

Conflict of Interest Statement

The author declares that there are no conflicts of interest.

Ethical Statement

The reported research was reviewed and approved by the Institutional Review Board of Rhode Island College. All participants provided informed consent.

Transparency Statement

These data are archived on the Social Relations Laboratory Website at http://thomasemalloy.org/archived-published-data/

Abstract

A basic interpersonal task is assessing if another is similar to oneself, and is even observed among prelinguistic infants. In 450 highly acquainted dyads (150 from family, friend, co-worker groups), participants judged others' similarity to themselves, and predicted others' similarity ratings of them. Assumed reciprocity and reciprocity of similarity judgments were observed; the former was much stronger than the latter. Specific others were judged as uniquely similar; in families these judgments were reciprocated. People inaccurately predicted others', and specific others', similarity judgments. Common members of these groups (key person) judged others as similar to themselves, and predicted others' reciprocated similarity judgments, although they did not. Social relations modeling showed that interpersonal similarity assessments in different groups are multiple phenomena at multiple levels of analysis and should not be treated as a single, unitary phenomenon.

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