Reflecting on nostalgic, positive, and novel experiences increases state Openness

Objective Personality change is a growing field of interest, but relatively few studies have examined causes of change in Openness. We investigated whether it is possible to influence state Openness, and through what mechanisms this effect may occur. Method In two experiments (Study 1: N = 144, M age = 36.4, 58% female, 88% White; Study 2: N = 269, M age = 34.0, 60% female, 91% White), participants reflected on and wrote about a personal...