Lindsey M. Rodriguez, Angelo M DiBello, C. Øverup, H. L. Lin
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A Latent Class Analysis Approach to Extradyadic Involvement
Extradyadic involvement — emotional, romantic, or sexual involvement with another person outside of one's romantic relationship — may have serious personal and relational consequences. The current research examines extradyadic involvement in two samples of individuals in relationships and identifies subgroups of people based on their engagement in different types of extradyadic behaviour. To assess involvement in such behaviour, we created a new behavioural inventory intended to broaden the conceptualisation of types of extradyadic behaviours. Subgroups of individuals who engage in these behaviours were extracted using latent class analysis. Study 1 assessed undergraduate students in relationships (N = 339), and results revealed four classes of individuals: loyal, confiding, deceptive, and unfaithful. Follow-up tests demonstrated that these classes of individuals differed significantly in ways that are consistent with the investment model and attachment theory. Study 2 (N = 202) replicated the four-class solution, as well as the group differences in relationship functioning and attachment orientations. Results suggest theoretically consistent typologies of extradyadic behaviour that may be useful in differentiating deceptive behaviour in close relationships in a more precise way.
期刊介绍:
This innovative journal provides researchers and practitioners with access to quality, interdisciplinary, peer-reviewed articles covering the entire range of fields associated with personal, intimate, organizational and family, and social relationships, development, training and analysis of human relationship skills across the life-span. Originally an initiative of the Psychology of Relationships Interest Group of the Australian Psychological Society, the journal became independent within its first year with the intention of publishing papers from the full array of researchers of relationship. The journal features an experienced and eclectic international Editorial Board and is international in its reach. There is a special emphasis on contributions from Asia, including the subcontinent and Pacific regions but the journal welcomes papers from all other parts of the world.