Longitudinal Patterns of Irritability During the Transition to Adolescence: Examining Caregiver and Youth perspectives and Sex Differences

Anger-related irritability is a leading reason for referral to child and adolescent mental health services. However, studies on longitudinal patterns of irritability typically rely on caregiver reports, yielding limited insights into youths’ own experiences. Furthermore, there has been little focus on potential sex differences during the transition to adolescence. Using data from the Adolescent Brain Cognitive Development (ABCD) Study® (n = 9,411, 48% females), this study compared caregiver and youth reports of anger-related irritability from ages 9 to 13, focusing on a high-persistent irritab