Mind Your Mate
This study will conduct an RCT to evaluate the effectiveness of an online peer intervention program, Mind Your Mate. Specifically, it will evaluate the effectiveness of Mind Your Mate to significantly lower symptoms of anxiety, depression and substance use in adolescence. It is hypothesised that compared to students allocated to a control condition, those students allocated to receive the Mind Your Mate intervention will show significantly reduced: i) anxiety and depression symptoms, ii) reduced uptake of alcohol and other drugs, iii) increased knowledge about mental health and substance use, iv) an increased willingness to seek help, and v) decreased stigma around mental health and substance use.