Non-response Bias

{
  "id": "MLC-T-ENV-019009",
  "term": "Non-response Bias",
  "field": "Environment",
  "definition": "1. The bias created by the failure of part of a sample to respond to a survey or answer a question. If those responding and those not responding have different characteristics, the responding cases may not be representative of the population from which they were sampled.\n\n2. Potential skewing because of non-response. The answers from sampling units that do produce information may differ on items of interest from the answers from the sampling units that do not reply.",
  "subject": "Policy and guidance",
  "references": [
    "Program Evaluation Glossary",
    "National Cancer Institute Thesaurus"
  ],
  "url": "https://mlchart.com/terminology/environment/non-response-bias/"
}