Kirby Deater?Deckard|Stephen A. Petrill|Lee A. Thompson
Anger/frustration, task persistence, and conduct problems in childhood: a behavioral genetic analysis
Virginia Tech|Pennsylvania State University|Case Western Reserve University
background individual differences conduct problems arise part proneness angerfrustration poor selfregulation behavior however genetic environmental etiology connections known method using twin design examined genetic environmental covariation underlying welldocumented correlations angerfrustration poor attention regulation ie task persistence conduct problems childhood participants included 105 pairs mz twins 154 pairs samesex dz twins 48 year olds independent observers rated child persistence affect based behavior challenging inhome cognitive literacy assessment teachers parents provided reports conduct problems results persistence angerfrustration conduct problems included moderate heritable nonshared environmental variance conduct problems included moderate shared environmental variance well persistence angerfrustration independent genetic covariance conduct problems nonshared environmental covariance conclusions findings indicate genetically distinct though interrelated influences linking affective selfregulatory aspects temperament behavior problems childhood