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Williams, Kevin M.; Martin-Raugh, Michelle P.; Lentini, Jennifer E. – ETS Research Report Series, 2022
Researchers, theorists, and practitioners have expressed a renewed interest in the longitudinal dynamics of personality characteristics in adulthood, including organic life span trajectories and their amenability to volitional change. However, this research has apparently not yet expanded to include the Dark Triad (psychopathy, narcissism,…
Descriptors: Personality Traits, Psychopathology, Personality Problems, Construct Validity