Prior research in non-U.S. samples has found a complex nonlinear relationship between loneliness and age. This research has shown that established predictors of loneliness--poor health, being unmarried, living alone, and having infrequent social interactions--help to explain age differences in loneliness. However, while some variables were found…

High and stable levels of aggression and the presence of aggressive behaviour in multiple settings according to different informants are risk factors for later problems. However, these two factors have not been investigated in early childhood. The present study investigates trajectories of parent-reported child aggression from 1.5 up to 6 years of…

Inconsistent findings exist on the effects of young adult-parent relationships on developmental status transitions into adulthood. Such transitions in turn predicted less conflicted and closer young adult-parent relationships. But systematic investigations of reciprocal effects between developmental transitions and young adult-parent relationships…