Disorganized Infant Attachment Classification and Maternal Psychosocial Problems as Predictors of Hostile-Aggressive Behavior in the Preschool Classroom.

Examined the relationship between maternal and infant measures of interaction, maternal psychosocial problems, infant cognitive development, and infant attachment security at 18 months of age and child behavior problems at age 5. Disorganized-disorientated attachment status and maternal psychosocial problems were the strongest predictors of deviant levels of hostile peer behavior. (MDM)