Objective: To investigate the relationship between cumulative ecological risk and adolescent Internet addiction, as well as the moderating role of effortful control in the relationship between cumulative ecological risk and adolescent Internet addiction. Methods: A total of 747 adolescents was assessed with Cumulative Ecological Risk Questionnaire, Effortful Control Questionnaire, and Diagnostic Questionnaire for Internet Addiction. Results: Cumulative ecological risk was positively associated with adolescent Internet addiction; ②Effortful ...