Longitudinal and Daily Associations Between Adolescent Self-Control and Digital Technology Use

Public Significance Statement Concerns exist regarding how digital technology use relates to adolescents' self-control. Across two studies, we demonstrate that adolescents who report lower self-control also perceive greater technological impairment and report higher use. However, there is no evidence that experiencing poorer self-control than one's own average is linked to greater perceptions of digital technological impairment or use, either longitudinally or at the daily level. There is fear that adolescents have limited control over their digital technology use. The current research examines longitudinal (Study 1) and daily (Study 2) associations between U.S. adolescents' self-control and digital technological impairment and use. Using a large sample (N = 2,104; Wave 1: M-age = 12.36, 52% female, 57% economically disadvantaged, 48% racial minority), Study 1 tested how changes in adolescents' self-control and perceived technological impairment co-occur across time (between-person associations) and if self-control and perceived impairment are prospectively and bidirectionally associated with each other (within-person associations). There was evidence of between-person associations, in that poorer self-control and perceived technological impairment both increase over adolescence, and these increases are positively associated with each other. However, there was no evidence of prospective within-person associations. Using a subsample from Study 1 (N = 388), Study 2 found support for a between-person association for self-control and using digital technology for entertainment, in which adolescents who reported poorer self-control relative to their peers also engaged in greater digital technology use for entertainment. There was no robust support for within-person associations. These findings suggest that adolescents with poorer self-control may have established tendencies to experience greater technological impairment and use more digital technology for entertainment, but the lack of within-person associations indicate caution is needed for a cause-and-effect relation. Adolescents with existing poorer self-control may be more vulnerable to problematic digital technology use in a developmental period where digital technology is particularly rewarding, and intervention and prevention efforts should be geared toward these adolescents.