“…Rather, they have mainly focused on the inner symptoms of PSU (Andrade, Scatena, Martins, et al, 2020;Huang, Lai, Xue, Zhang, & Wang, 2020). For example, researchers have explored the central symptoms of PSU (Huang et al, 2020) or the validation of the smartphone addiction scale Andrade, Scatena, Martins, et al, 2020) from a network analysis perspective. In addition, several researchers have explored the interaction between Internet addiction and psychological symptoms from a network aspect (Andrade, Scatena, Bedendo, et al, 2020).…”