Longitudinal Associations of the Attainment of Developmental Tasks With Psychological Symptoms in Adolescence: A Meta‐Analysis

The present meta‐analysis integrates results from 310 longitudinal studies on associations of the attainment of 10 developmental tasks with psychological symptoms (e.g., internalizing or externalizing symptoms, anxiety, and depression). Higher initial success with getting access to a peer group, building friendships, preparing for a future career, body acceptance, as well as developing a personal identity, a value system, and socially...