Measurement Error

{
  "id": "MLC-T-ENV-016819",
  "term": "Measurement Error",
  "field": "Environment",
  "definition": "1. The difference between a measured value and a true value.\n\n2. A systematic error arising from inaccurate measurement (or classification) of subjects on the study variables.\n\n3. Error in the observed data that is a function of human or instrumental error during collection. Such an error may be independent or random. When a persistent bias or miscalibration is present in the measurement device, measurement errors may be correlated among observations. In some disciplines, measurement error may be referred to as observation error.",
  "subject": "Health and safety",
  "references": [
    "Program Evaluation Glossary",
    "Exposure Factors Handbook: Glossary",
    "Modeling Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/measurement-error/"
}