Heritability and longitudinal stability of schizotypal traits during adolescence.


The study investigated the genetic and environmental etiology of schizotypal personality traits in a non-selected sample of adolescent twins, measured on two occasions between the ages of 11 and 16 years old. The 22-item Schizotypal Personality Questionnaire- Child version (SPQ-C) was found to be factorially similar to the adult version of this instrument… (More)
DOI: 10.1007/s10519-010-9401-x