“…Several studies also reported PGB to be associated with greater impulsivity (Kim et al, 2016b;Walther et al, 2012), poorer self-control (Kim et al, 2008), increased attention deficit (Andreassen et al, 2016;Gentile, 2009;Müller et al, 2015;Walther et al, 2012), hyperactivity (Baer et al, 2012;Rikkers et al, 2016;Strittmatter et al, 2015), concentration prob-lems (Kim et al, 2016b), augmented self-dis-crepancy (Kwon et al, 2011), lower self-esteem (Festl et al, 2013;Lemmens et al, 2015;Papay et al, 2013;Van Rooij et al, 2012;Walther et al, 2012), impaired life skills (Baer et al, 2012) and low school well-being (Rehbein and Baier, 2013). Wan and Chiou (2006) reported that dissatisfaction concerning safety, love, belonging, self-esteem and self-actualisation were key risk factors for PGB.…”