“…The dual-continuum model holds that mental health problems (e.g., internalizing problems, including depressive and anxiety symptoms) and well-being (i.e., life satisfaction, positive emotions, and good functioning in one’s individual endeavors and social life) (Diener, 2009 ; Gallagher et al, 2009 ) are related, yet distinct, continua, rather than opposite ends of a single continuum (Keyes, 2005 ). Concerns have been raised about the potential role of social media use in both adolescents’ internalizing problems and well-being, and recent research has indicated the relevance of distinguishing the two (Boer et al, 2020 ; Fardouly et al, 2018 ; Petropoulos Petalas et al, 2021 ).…”