Studies // Cited work
A structural approach to selection bias
Hernán, M. A., Hernández-Díaz, S., & Robins, J. M. (2004). A structural approach to selection bias.
Level D Theory doi:10.1097/01.ede.0000135174.63482.43
What this study supports
Supports the structural distinction between selection bias, which results from conditioning on a common effect, and confounding, which results from a common cause. Conceptual and methodological; examples come from epidemiology.
- Who was studied
- Not applicable: a causal-diagram analysis of selection bias in epidemiological designs.
- Design
- Theory
- Level of evidence
- Cross-sectional, observational, qualitative work and narrative reviews.
Claims that rest on it
No claim in the ledger rests on this work yet.