British Journal of Social Psychology

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Effect of identity fusion on decision to make extreme sacrifices in romantic relationships: The moderating role of impulsiveness

The present research investigated the roles of identity fusion and impulsiveness in extreme sacrifices for romantic partners. After completing questionnaires assessing identity fusion, inclusion of other in the self, passionate love, and communal orientation, participants responded to the trolley dilemma in which they could save their partner by sacrificing themselves. Participants in the time‐pressure condition were given eight‐seconds to respond to the dilemma; the other group had no time constraints. Identity fusion was the only variable that significantly predicted ultimate sacrifice. Hurrying participants’ response to the dilemma (i.e., inducing impulsive decision‐making) increased self‐sacrifice in highly fused but not in weakly fused individuals.

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