The present study constructs a moderated mediation model to examine whether online psychological needs satisfaction mediates the relation between parental psychological control and smartphone addiction,and whether this mediating process is moderated by environmental sensitivity.A total of 1320 senior high school students completed questionnaires assessing their demographics,parental psychological control,smartphone addiction,online psychological needs satisfaction and environmental sensitivity.Results revealed that:(1)When controlling for smartphone usage time,parental psychological control si...