“…Some researchers have argued that PSU shares many similarities with behavioral addictions, such as gambling and internet game disorders (Felt & Robb, 2016). Previous studies have found positive associations between PSU and symptom severity of anxiety and depression in adolescents Lapierre, Zhao, & Custer, 2019;Sohn, Rees, Wildridge, Kalk, & Carter, 2019;Thomée, 2018;Yang et al, 2021) and negatively correlated with academic achievement and interpersonal relationships (Herrero, Urueña, Torres, & Hidalgo, 2019;Huang, Lai, Li, Luo, & Wang, 2021;Samaha & Hawi, 2016;Zhang et al, 2021). Thus, it is important to explore the development of PSU, identify the reasons adolescents become overdependent on smartphones, and find appropriate ways to resolve the problem.…”