(Dis)similarity in impulsivity and marital satisfaction: A comparison of volatility, compatibility, and incompatibility hypotheses

•(Dis)similarity on impulsivity is used to predict relationship functioning.•Mixed effect polynomial regression and response surface analysis are used.•“Matching” on disinhibition leads to greater satisfaction than “mismatching.”•Negative partner behavior and perceived partner responsiveness mediate.•Results differ for inattention, cognitive inflexibility, and working memory.