Do smartphones and social network sites become more important when experiencing stress? Results from longitudinal data

Previous research on stress and media use mainly concentrated on between-person effects. We add to this research field by additionally assessing within-person associations, assuming that experiencing more stress than usual goes along with more nomophobia (“no-mobile-phone phobia”) and more passive and active Facebook use than usual, cross-sectionally and over time, and by exploring potential age differences. We conducted a secondary analysis of...