BACKGROUND: Adverse childhood experiences (ACEs) may lead to increased problematic media use (PMU). However, whether parental adverse childhood experiences predict offspring PMU, and the mediating roles of psychological distress and harsh discipline, two common mechanisms underlying the intergenerational transmission of parental ACEs, in this relationship have not been examined in Chinese samples. OBJECTIVE: This study examined the serial mediating effects of psychological distress and harsh discipline on the association between parental ACEs and children's PMU. PARTICIPANTS AND SETTING: Parti...