Age and gender differences in narcissism: A comprehensive study across eight measures and over 250,000 participants. - Weidmann R; Chopik WJ; Ackerman RA; Allroggen M; Bianchi EC; Brecheen C; Campbell WK; Gerlach TM; Geukes K; Grijalva E; Grossmann I; Hopwood CJ; et al. (Journal of personality and social psychology, 2023)