Irritability is a transdiagnostic factor that commonly co-occurs with ADHD, depression, GAD, and PTSD in children and adolescents. However, the bidirectional relationships between these conditions remain understudied. Exploring these relationships could offer valuable insights into the shared and distinct mechanisms underlying children and adolescent psychopathology. Data were from three large samples of Chinese children and adolescents. Sample 1 included 1,360 7th- and 8th-grade students…
