Deze inhoud is beschikbaar in het Engels terwijl de vertaling wordt beoordeeld. · Machine translation preview
TERM

What is Four-fifths rule?

A screening convention comparing a group’s selection rate with the highest group selection rate. A ratio below 0.80 can flag a concern.

Definition

A screening convention comparing a group’s selection rate with the highest group selection rate. A ratio below 0.80 can flag a concern.

How should you use this idea?

It is not a guarantee of fairness or a complete legal test. Sample size and the whole selection process matter.

Put it in context

Start with the specific decision you are making, the skill the job requires and the limitations of your evidence. Document your interpretation and give candidates a consistent process.

For legal or regulatory conclusions, obtain qualified advice for your location and circumstances. A glossary definition cannot resolve those questions.

Further context: U.S. EEOC: Employment tests and selection procedures

Go deeper

Last updated: 2026-10-01

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