Relatedness Need Dissatisfaction Perceived in Daily Life Increases Problematic Mobile Phone Use: A Longitudinal Mediation Model

These findings underscore the importance of social relationships in the development of PMPU among adolescents, particularly revealing the effect through emotional and cognitive processes. Strategies aimed at strengthening social connections and addressing maladaptive cognitions may effectively mitigate PMPU, providing insights for prevention and intervention efforts for adolescents.