“…Screen time was negatively associated with behavioral and emotional outcomes in 14 studies. Children with excessive screen time were related to social-emotional delay [ 100 , 106 ], hyperactivity-inattention [ 100 , 101 , 105 , 107 , 108 ], emotional symptoms [ 99 , 101 , 102 , 103 ], prosocial behavior [ 99 , 101 , 102 , 103 ], peer problems [ 99 , 101 , 102 , 103 ], and conduct problems [ 99 , 101 , 102 , 103 ]. The positive association between screen time and bullying including being a victim or being a bully was reported by three studies [ 23 , 109 , 110 ].…”