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O. A.: »The New Normal: Parents, Teens, and Devices around the World« in: Common Sense Media, www.commonsensemedia.org/research/The-New-Normal- Parents-Teens-and-Devices-Around-the-World, 1. August 2019.
Vernon, L., Modecki, K. L., Barber, B. L.: »Mobile Phones in the Bedroom: Trajectories of Sleep Habits and Subsequent Adolescent Psychosocial Development« in: Child Development, Vol. 89, Nr. 1, Januar/Februar 2018, S. 66–77; DOI: 10.1111/cdev.12836.
Twenge, J. M., Joiner, T. E., Rogers, M. L., Martin, G. N.: »Increases in Depressive Symptoms, Suicide-Related Outcomes, and Suicide Rates among U.S. Adolescents after 2010 and Links to Increased New Media Screen Time« in: Clinical Psychological Science, Vol. 6, Nr. 1, 2018, S. 3–17; DOI: 10.1177/2167702617723376.
Hedegaard, H., Curtin, S. C., Warner, M.: »Suicide Rates in the United States Continue to Increase. NCHS Data Brief Nr. 309« in: National Center of Health Statistics, Juni 2018; www.cdc.gov/nchs/products/databriefs/db309.htm.
Cuthbertson, A.: »iPhones Pose Suicide Risk to Teenagers, Apple Investors Warn« in: Newsweek, 18. Januar 2018; www.newsweek.com/iphones-pose-suicide-risk- teenagers-apple-investors-warn-773819; Lumb, D.: »Kids Are Overusing iPhones, Warn Apple Investors« in: Engadget, 8. Januar 2018, www.engadget.com/2018/01/08/kids-are-overusing-iphones-warn-two-apple- investors/.
Clover, J.: »How to Use Screen Time in iOS 12« in: MacRumors, 19. September 2018, www.macrumors.com/how-to/how-to-use-screen-time-in-ios-12/.
Rubin, A. J., Peltier, E.: »France Bans Smartphones in Schools through 9th Grade. Will It Help Students?« in: New York Times, 20. September 2018; www.nytimes.com/2018/09/20/world/europe/france-smartphones-schools.html.
Ahonen, M.: »Why Are Some Countries Removing Wi-Fi in Schools and Others Not?« in: Wireless Education, www.wirelesseducation.org/1073-2.
Parents for Safe Technology: »Worldwide Precautionary Action« in: www.parentsforsafetechnology.org/worldwide-countries-taking-action.html (diese Seite existiert nicht mehr, Parents for Safe Technology nur auffindbar über www.facebook.com/Parents-for-Safe-Technology-1415811862047861/).
O. A.: »Mobile Kids: The Parent, the Child and the Smartphone« in: Nielsen, 28. Februar 2017, www.nielsen.com/us/en/insights/news/2017/mobile-kids--the-parent- the-child-and-the-smartphone.html; o. A.: »The Common Sense Census: Media Use by Kids Age Zero to Eight 2017« in: Common Sense Media, www.commonsensemedia.org/research/the-common-sense-census-media-use-by-kids- age-zero-to-eight-2017.