The Perceived Stress Scale, PSS, is a measure of the degree to which situations in one’s life are appraised as stressful.

Reference for the scale:

Cohen, S., & Williamson, G. (1988). Perceived stress in a probability sample of the United States. In S. Spacapan & S. Oskamp (Eds.), The social psychology of health: Claremont Symposium on applied social psychology. Newbury Park, CA: Sage

Reference for the translation:

Eskin, M. & Parr, D. (1996). Introducing a Swedish version of a instrument measuring mental stress. Reports from the Department of Psychology. Stockholm, Stockholm University.

Permissions:

Permission for use of scales is not necessary when use is for nonprofit academic research or nonprofit educational purposes. For other uses, please contact Ellen Conser at conser@andrew.cmu.edu for instructions.

http://www.psy.cmu.edu/~scohen/scales.html