Health Care

Selection Bias

The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias, error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias, error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Synonyms

11 entry terms
  • Bias, Selection
  • Selection Biases
  • Biases, Selection
  • Sampling Bias
  • Sampling Biases
  • Sampling Error
  • Bias, Sampling
  • Biases, Sampling
  • Error, Sampling
  • Errors, Sampling
  • Sampling Errors

MeSH Record

Indexing Annotation

usually NIM

MeSH Record

History Note

91(90); was see under BIAS (EPIDEMIOLOGY) 1990

MeSH Record

Previous Indexing

  • Epidemiologic Methods (1966-1989)
  • Research Design (1972-1989)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Selection Bias. Medical Subject Headings (MeSH). 2026. Unique ID D015983. http://id.nlm.nih.gov/mesh/2026/D015983
  2. Selection Bias. In: Wikipedia. https://en.wikipedia.org/wiki/Selection_bias
  3. Selection Bias. In: Wikidata. https://www.wikidata.org/wiki/Q284172