Abstract
Relationship satisfaction—the degree to which a close relationship is perceived as rewarding and satisfying by both partners—is reliably predicted by both partners’ neuroticism, but the psychological mechanisms underlying this effect are not sufficiently well understood. By analyzing several cognitive, emotional, and behavioral processes simultaneously, the current longitudinal study looked at how both partners’ neuroticism affects their respective (and mutual) relationship satisfaction both on an intra- and on an interpersonal level. Dyadic data from 2090 heterosexual couples from the “Pairfam” study were analyzed with Actor-Partner Interdependence Mediation Models (APIMeM). Results support the assumption that neuroticism reliably predicts cognitive, emotional, and behavioral variables, which, in turn, predict both partners’ relationship satisfaction. Importantly, cognitive processes play a particularly important role both on an interpersonal as well as on an intrapersonal level. These findings help to shed light on the maladaptive cognitive, emotional, and behavioral processes underlying the effect of neuroticism on relationship satisfaction.
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