A Coping and Resilience Intervention in Adolescents

The primary purpose of this study is to assess the feasibility and acceptability of a coping and resilience intervention for adolescents in school settings named CERIA, in the post-coronavirus disease 2019 or COVID-19 era. Whereas the secondary purpose of this study is to assess the effect of the intervention among adolescents on several outcomes, including posttraumatic stress disorder (PTSD) symptoms, defensive coping, courageous coping, social support, resilience, and health-related quality of life (HRQOL), in the post-COVID-19 era, at baseline or pre-test (one week before), right after/immediate effect or post-test (one week after), and one-month follow-up or short-term effect (one month after intervention). The research questions in this study include the following: * Is CERIA feasible for adolescents in the post-COVID-19 era? * Is CERIA acceptable for adolescents in the post-COVID-19 era? * What is the effect of CERIA on PTSD symptoms, defensive coping, courageous coping, social support, resilience, and HRQOL in adolescents in the experimental group compared to those in the control group in the post-COVID-19 era? * Are there any differences in the mean scores of PTSD symptoms, defensive coping, courageous coping, social support, resilience, and HRQOL between the experimental and control groups at: * one week before, * one week after, and * one month after CERIA? Participants in the experimental group will be given six-weekly 45-60 minutes CERIA sessions, whereas participants in the control groups will be treated as active control. Researchers will compare the experimental and control groups to see the effect of the intervention (CERIA) to decrease the adolescents\' PTSD symptoms and defensive coping and increase courageous coping, social support, resilience, and HRQOL at three different time points: one week before intervention, one week after intervention, and one month after the intervention.