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This self-report measure assesses the degree to which situations in one’s life are appraised as stressful over the past month. The Perceived Stress Scale (PSS-14) focuses on subjective experiences of unpredictability, lack of control, and overload rather than objective event counts.
The instrument includes 14 items and typically requires about 3 minutes to complete. It is commonly used in clinical and research settings to support screening and to monitor perceived stress over time; it is not intended as a standalone diagnostic tool. The Perceived Stress Scale (PSS-14) was developed by Tom Kamarck and Robin Mermelstein.