Aggression and Irritability in Middle Childhood: Between- and Within-Person Associations.
Gretchen R PerhamusJamie M OstrovDianna Murray-ClosePublished in: Journal of clinical child and adolescent psychology : the official journal for the Society of Clinical Child and Adolescent Psychology, American Psychological Association, Division 53 (2023)
The present study suggests that irritability may represent a between-person risk factor for high levels of physical and relational aggression in middle childhood, although effects on physical aggression may be more persistent. This highlights the importance of considering affective processes to understand the development of aggression trajectories.