A single‐session growth mindset intervention for adolescent anxiety and depression: 9‐month outcomes of a randomized trial

Background Single‐session interventions ( SSI s) show promise in the prevention and treatment of youth psychopathology, carrying potential to improve the scalability and accessibility of youth psychological services. However, existing SSI s have conferred greater benefits for youths with anxiety, compared to depression or comorbid problems, and their effects have generally waned over time – particularly for follow‐ups exceeding 3 months. Method...