Understanding the terrible twos: A longitudinal investigation of the impact of early executive function and parent–child interactions

Impairments in both executive function and parent–child interactions are associated with child externalizing behavior, but few studies have tested the uniqueness of these associations in the first years of life. Addressing these gaps, the current study involved an international sample ( N = 438; 218 boys) who, at 14 and 24 months, completed an innovative battery of executive function tasks and were filmed at home in dyadic interaction with their...