K orean versions of the P erceived S tress S cale (PSS‐14, 10 and 4): psychometric evaluation in patients with chronic disease

Background The P erceived S tress S cale ( PSS ) is a representative instrument used to measure stress. The original PSS comprises 14 items ( PSS ‐14) in two subscales, but 10‐ and 4‐item versions are also available ( PSS ‐10 and 4, respectively). The target populations of psychometric studies us…