Bibliography (7):

1. Like this meta-analysis: Screen media and mental health

2. There Is No Evidence That Associations Between Adolescents’ Digital Technology Engagement and Mental Health Problems Have Increased

3. Violent video game engagement is not associated with adolescents’ aggressive behavior: evidence from a registered report

4. No Polarization From Partisan News: Over-Time Evidence From Trace Data

5. Wikipedia Bibliography:

   1. Preregistration (science) § Registered reports  :

      https://en.wikipedia.org/wiki/Preregistration_(science)#Registered_reports

   2. Multilevel model

   3. Statistical-significance