Genetic effects explain the stability of psychopathic personality from mid- to late adolescence.
Forsman M, Lichtenstein P, Andershed H, Larsson H.
Forsman M, et al. Among authors: andershed h.
J Abnorm Psychol. 2008 Aug;117(3):606-17. doi: 10.1037/0021-843X.117.3.606.
J Abnorm Psychol. 2008.
PMID: 18729612
Psychopathic personality was measured with the Youth Psychopathic Traits Inventory (YPI; H. Andershed, M. Kerr, M. Stattin, & S. Levander, 2002) when the participants were 16 and 19 years old. ...
Psychopathic personality was measured with the Youth Psychopathic Traits Inventory (YPI; H. Andershed, M. Kerr, M. Stattin, &a …