Validity

{
  "id": "MLC-T-ENV-029465",
  "term": "Validity",
  "field": "Environment",
  "definition": "1. The extent to which a measurement instrument or test accurately measures what it is supposed to measure.\n\n2. The degree to which a measurement actually measures or detects what it is supposed to measure.\n\n3. The extent to which a measure accurately reflects the concept that it is intended to measure.\n\n4. Degree to which a measurement actually measures or detects what it is supposed to measure.",
  "subject": "Policy and guidance",
  "references": [
    "Program Evaluation Glossary",
    "CDC 2005",
    "NLM/NICHSR 2004",
    "CDC Epidemiology Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/validity/"
}