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Direct linkForsman, Mats; Larsson, Henrik; Andershed, Henrik; Lichtenstein, Paul – British Journal of Developmental Psychology, 2007
This study tested if persistent externalizing behaviour and symptoms of Attention Deficit Hyperactivity Disorder (ADHD) in childhood are associated with personality and behavioural aspects of the psychopathic personality constellation in adolescence. The target sample consisted of all 1,480 twin pairs born in Sweden between 1985 and 1986.…
Descriptors: Attention Deficit Hyperactivity Disorder, Twins, Personality Traits, Foreign Countries
