“…Despite the reported association between Internet addiction and ADHD symptoms in literature, there are still gaps that need to be addressed. Firstly, it remains unclear whether the association between Internet addiction and ADHD symptoms is unidirectional or reciprocal, due to the limitation of cross-sectional designs used in previous studies (see Koncz et al., 2023 ; Nikkelen, Valkenburg, Huizinga, & Bushman, 2014 ; Wang, Yao, Zhou, Liu, & Lv, 2017 for reviews). Recent longitudinal studies have mainly focused on gaming disorder rather than Internet addiction ( Gentile, Swing, Lim, & Khoo, 2012 ; Lee, Bae, Kim, & Han, 2021 ; Marmet, Studer, Grazioli, & Gmel, 2018 ).…”