Perceived Stress Scale

German PSS-10 questionnaire can be retrieved from:

Schneider, E. E., Schönfelder, S., Domke-Wolf, M., & Wessa, M. (2020). Measuring stress in clinical and nonclinical subjects using a German adaptation of the Perceived Stress Scale. International Journal of Clinical and Health Psychology, 20 (2), 173-181. https://doi.org/10.1016/j.ijchp.2020.03.004