“…Kim et al, 2016;Roberts, Pullig, & Manolis, 2015;Takao, 2014). In particular, of the Big Five (Anglim & O'Connor, 2019;John & Srivastava, 1999), high neuroticism and low conscientiousness are the strongest predictors of problematic smartphone use. The combination of high neuroticism and low conscientiousness is associated with many negative life outcomes including poorer health and well-being (Anglim, Horwood, Smillie, Marrero, & Wood, 2020;Roberts, Jackson, Fayard, Edmonds, & Meints, 2009).…”