Maartje Boer

336 Beyens, I., Pouwels, J. L., Van Driel, I. I., Keijsers, L., & Valkenburg, P. M. (2020). Social media use and adolescents’ well-being: Developing a typology of person-specific effect patterns. Preprint . https://doi.org/10.31234/osf.io/ftygp Billieux, J., King, D. L., Higuchi, S., Achab, S., Bowden-Jones, H., Hao, W., Long, J., Lee, H. K., Potenza, M. N., Saunders, J. B., & Poznyak, V. (2017). Functional impairment matters in the screening and diagnosis of gaming disorder. Journal of Behavioral Addictions , 6 (3), 285–289. https://doi.org/10.1556/2006.6.2017.036 Billieux, J., Van Rooij, A. J., Heeren, A., Schimmenti, A., Maurage, P., Edman, J., Blaszczynski, A., Khazaal, Y., & Kardefelt-Winther, D. (2017). Behavioural Addiction Open Definition 2.0—using the Open Science Framework for collaborative and transparent theoretical development. Addiction , 112 (10), 1723–1724. https://doi. org/10.1111/add.13938 Blau, I. (2011). Application use, online relationship types, self-disclosure, and Internet abuse among children and youth: Implications for education and Internet safety programs. Journal of Educational Computing Research , 45 (1), 95–116. https://doi. org/10.2190/ec.45.1.e Boer, M., Stevens, G. W. J. M., Finkenauer, C., De Looze, M. E., & Van den Eijnden, R. J. J. M. (2021). Social media use intensity, social media use problems, and mental health among adolescents: Investigating directionality and mediating processes. Computers in Human Behavior , 116 (106645). https://doi.org/10.1016/j. chb.2020.106645 Boer, M., Stevens, G. W. J. M., Finkenauer, C., Koning, I. M., & Van den Eijnden, R. J. J. M. (2021). Validation of the Social Media Disorder Scale in Dutch adolescents: Findings froma large-scale nationally representative sample. Assessment . https:// doi.org/10.1177/10731911211027232 Boer, M., Stevens, G. W. J. M., Finkenauer, C., & Van den Eijnden, R. J. J. M. (2020). Attention deficit hyperactivity disorder-symptoms, social media use intensity, and social media use problems in adolescents: Investigating directionality. Child Development , 91 (4), e853–e865. https://doi.org/10.1111/cdev.13334 Boer, M., Stevens, G. W. J. M., Finkenauer, C., & Van den Eijnden, R. J. J. M. (2021). The course of problematic social media use in young adolescents: A latent class growth analysis. Child Development , in press . https://doi.org/10.1111/cdev.13712 Boer, M., & Van den Eijnden, R. J. J. M. (2018). Sociale media en gamen [Social media and gaming]. In G. W. J. M. Stevens, S. A. F. M. Van Dorsselaer, M. Boer, S. A. De Roos, E. L. Duinhof, T. F. M. Ter Bogt, R. J. J. M. Van den Eijnden, L. S. Kuyper, D. M. Visser, W. A. M. Vollebergh, & M. E. De Looze (Eds.), HBSC 2017: Gezondheid en welzijn van jongeren in Nederland [Health behavior in school-aged children in the Netherlands] (pp. 135–147). Utrecht University, Netherlands. Boer, M., Van den Eijnden, R. J. J. M., Boniel-Nissim, M., Wong, S.-L., Inchley, J., Badura, P., Craig, W. M., Gobina, I., Kleszczewska, D., Klanšček, H. J., & Stevens, G. W. J. M. (2020). Adolescents’ intense and problematic social media use and their wellbeing in 29 countries. Journal of Adolescent Health , 66 (6), S89–S99. https://doi.org/10.1016/j. jadohealth.2020.02.014 Boers, E., Afzali, M. H., Newton, N., & Conrod, P. (2019). Association of screen time and depression in adolescence. JAMA Pediatrics , 173 (8), 853–859. https://doi. org/10.1001/jamapediatrics.2019.1759