Brief Resilience Scale.
The brief resilience scale is a 6 item questionnaire regarding how well individuals can cope with difficulties.
Items are scored on a 1-4 scale, with the total scale score calculated as a sum of the items. Divide the total sum by the total number of questions answered.
Smith, B. W., Dalen, J., Wiggins, K., Tooley, E., Christopher, P., & Bernard, J. (2008). The brief resilience scale: assessing the ability to bounce back. International journal of behavioral medicine, 15(3), 194-200.