Intrusive rumination and academic burnout among adolescents in ethnic minority areas of China during the COVID-19 pandemic: PTSS as mediator and cognitive reappraisal as moderator

The COVID-19 pandemic has had a significant negative impact on public health, prompting scholarly research in related fields. In this context, the present study reveals the psychological characteristics of adolescents in ethnic minority areas of China approximately five months after the 2020 outbreak of the COVID-19 pandemic, explores the relationship between intrusive rumination and academic burnout, and examines the role of post-traumatic stress symptoms (PTSS) and cognitive reappraisal in the relationship to provide an empirical foundation for developing effective psychological interventions for adolescents in the wake of the pandemic. Based on cluster sampling, 941 middle school students (65.36