“…Hughes & Burke, 2018;Lapierre & Lewis, 2016;Li et al, 2015;Rotondi et al, 2017;Toda, Ezoe, Mure, & Takeshita, 2016), and mood or anxiety disorders (e.g. Alhassan et al, 2018;Arpaci, Baloğlu, Özteke Kozan, & Kesici, 2017;Elhai, Levine, Dvorak, & Hall, 2016, 2017Gao, Xiang, Zhang, Zhang, & Mei, 2017;Hussain, Griffiths, & Sheffield, 2017;Kim & Koh, 2018;Kim, Joo, Han, Kim, & Choi, 2018;Kim, Jang, Lee, Lee, & Kim, 2018). While some have interpreted this to indicate that smartphones are causing lower levels of well-being, it is important to consider that well-being and related dispositional factors may also cause perceived and actual problematic smartphone usage.…”