{
  "id": "k10",
  "name": "Kessler Psychological Distress Scale (K10)",
  "short_name": "K10",
  "description": "A 10-item self-report measure of psychological distress. The extended version of K6, providing more nuanced assessment of mental health status.",
  "url": "https://www.hcp.med.harvard.edu/ncs/k6_scales.php",
  "reference": "Kessler, R. C., Andrews, G., Colpe, L. J., Hiripi, E., Mroczek, D. K., Normand, S. L., ... & Zaslavsky, A. M. (2002). Short screening scales to monitor population prevalences and trends in non-specific psychological distress. Psychological Medicine, 32(6), 959-976.",
  "reference_url": "https://doi.org/10.1017/S0033291702006074",
  "items_count": 10,
  "domains": ["mental_health", "distress"],
  "scoring": {
    "method": "sum",
    "range": [10, 50],
    "interpretation": {
      "10-19": "Likely to be well",
      "20-24": "Likely to have a mild disorder",
      "25-29": "Likely to have a moderate disorder",
      "30-50": "Likely to have a severe disorder"
    }
  },
  "instructions": "During the past 30 days, about how often did you feel...",
  "questions": [
    {
      "name": "k10_1",
      "description": "...tired out for no good reason?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_2",
      "description": "...nervous?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_3",
      "description": "...so nervous that nothing could calm you down?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_4",
      "description": "...hopeless?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_5",
      "description": "...restless or fidgety?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_6",
      "description": "...so restless you could not sit still?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_7",
      "description": "...depressed?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_8",
      "description": "...that everything was an effort?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_9",
      "description": "...so sad that nothing could cheer you up?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    },
    {
      "name": "k10_10",
      "description": "...worthless?",
      "annotation_type": "radio",
      "labels": [
        {"name": "none", "label": "None of the time"},
        {"name": "little", "label": "A little of the time"},
        {"name": "some", "label": "Some of the time"},
        {"name": "most", "label": "Most of the time"},
        {"name": "all", "label": "All of the time"}
      ],
      "label_requirement": {"required": true}
    }
  ]
}