# selection bias

> selection of individuals, groups or data for analysis such that proper randomization is not achieved

**Wikidata**: [Q284172](https://www.wikidata.org/wiki/Q284172)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Selection_bias)  
**Source**: https://4ort.xyz/entity/selection-bias


## References

1. Freebase Data Dumps. 2013
2. Quora
3. [Selection bias - RationalWiki](https://rationalwiki.org/wiki/Selection_bias)
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)