Based on a multi-informant, longitudinal perspective on parent-adolescent relationships, this study examined patterns of convergence and divergence on maternal autonomy support. It had two aims: First, it sought to identify developmental trajectories of maternal autonomy support across adolescence from the perspectives of both mothers and adolescents. A second was to evaluate the longitudinal relation between self-reported and perceived maternal autonomy support by combining informants' trajectories. Data come from two 5-year longitudinal multi-informant studies (