Kessler Psychological Distress Scale (K10) The Kessler Psychological Distress Scale (K10) [1] is a simple measure of psychological distress. The K10 scale involves 10 questions about emotional states each with a five-level response scale. The measure can be used as a brief screen to identify levels of distress. 1. In the past 4 weeks, about how often did you feel tired out for no good reason? Strongly Disagree Disagree Neutral Agree Strongly Agree 2. In the past 4 weeks, about how often did you feel nervous? Strongly Disagree Disagree Neutral Agree Strongly Agree 3. In the past 4 weeks, about how often did you feel so nervous that nothing could calm you down? Strongly Disagree Disagree Neutral Agree Strongly Agree 4. In the past 4 weeks, about how often did you feel hopeless? Strongly Disagree Disagree Neutral Agree Strongly Agree 5. In the past 4 weeks, about how often did you feel restless or fidgety? Strongly Disagree Disagree Neutral Agree Strongly Agree 6. In the past 4 weeks, about how often did you feel so restless you could not sit still? Strongly Disagree Disagree Neutral Agree Strongly Agree 7. In the past 4 weeks, about how often did you feel depressed? Strongly Disagree Disagree Neutral Agree Strongly Agree 8. In the past 4 weeks, about how often did you feel that everything was an effort? Strongly Disagree Disagree Neutral Agree Strongly Agree 9. In the past 4 weeks, about how often did you feel so sad that nothing could cheer you up? Strongly Disagree Disagree Neutral Agree Strongly Agree 10. In the past 4 weeks, about how often did you feel worthless? Strongly Disagree Disagree Neutral Agree Strongly Agree None of the time (score 1) A little of the time (score 2) Some of the time (score 3) Most of the time (score 4) All of the time (score 5) Thank you!