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Dyadic and group perspectives on close relationships

Recent advances in the study of close relationships hold the potential for new insignts into the significance of interdependence and the mechanism of relationship influence. The papers in this special issue apply two new data analytic techniques to the study of family and friend relationships. The Actor–Partner Interdependence Model incorporates the perspectives of both participants in a dyad into analyses that describe shared and unique views of the relationship. The Social Relations Model incorporates the perspectives of all members of a group into analyses that ascribe views unique to individuals and relationships, and views shared by the entire group. Developmental applications of techniques originally designed for concurrent interdependent data are described with the aim of advancing these analytic procedures to the study of lifespan human development.