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J Fam Psychol. 2012 Feb;26(1):140-8. doi: 10.1037/a0026624. Epub 2011 Dec 26.

The common fate model for dyadic data: variations of a theoretically important but underutilized model.

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Department of Psychology, University of Basel, Basel, Switzerland.


Studying dyads, very often there is a theoretical construct that has an effect on both members, such as relationship harmony or shared environment. To model such influences, the common fate model (CFM) is often the most appropriate approach. In this article, we address conceptual and statistical issues in the use of the standard CFM and present a series of variations, all of which are estimated by structural equation modeling (SEM). For indistinguishable dyad members (e.g., gay couples), we describe the use of a multilevel SEM method. Throughout the paper, we draw connections to the actor-partner interdependence model (APIM). We also discuss the analysis of hybrid models that combines both the CFM and the APIM. The models are illustrated using data from heterosexual couples.

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