“…The Scottish cohort reported that ADHD symptoms predicted aggressive incidents documented in prison records, and this finding remained significant after controlling for antisocial personality traits (S. Young et al, 2009). This supports the findings from other research examining the association between ADHD symptoms and critical incidents in institutionalized youth offenders (S. Young, Gudjonsson, Misch, et al, 2010;S. Young, Misch, Collins, & Gudjonsson, 2011) and personalitydisordered offenders detained in forensic mental health settings (S. Young, Gudjonsson, Ball, & Lam, 2003).…”