Check a screen with the four-fifths rule

Módulo 1: What AI already does in HR and recruiting

Temario del curso

Esta lección aún no está en tu idioma, así que aquí la tienes en inglés.

Prueba rápida

Guess first, no penalty. An AI screen passes 30% of male applicants and 20% of female applicants. Is that a warning sign?

When a tool screens applicants, check how each group does at that step. A selection rate is the share of a group's applicants who pass.

The US Uniform Guidelines on Employee Selection Procedures give a rule of thumb. A group's selection rate that is "less than four-fifths (4/5) (or eighty percent)" of the highest group's rate is generally treated as evidence of adverse impact (29 CFR 1607.4(D)). Adverse impact means a step screens out one group much more than another. It's a signal to dig in, not proof of discrimination, and small numbers can mislead.

Work it out

¿Y si…?

Compare two groups at one screening step. The starting numbers are an example.

Group with the higher rate: applicants

200

Group with the higher rate: passed

60

Other group: applicants

150

Other group: passed

30

Other group's rate as a share of the higher rate

Other group's rate as a share of the higher rate: 66.7%

Una estimación con los números que pusiste, no un pronóstico.

Here's the note you'd send with the example numbers:

Women's selection rate at the AI screen: 20% (30 of 150). Men's: 30% (60 of 200).
20 divided by 30 is about 67%, which is under four-fifths, so we're reviewing the screen.

Completa los espacios

Fill the gaps in this note to the hiring manager.

Note

Women's selection rate at the AI screen: . Men's: 30%. 20 divided by 30 is about , which is .

Try it

Tus pasos, unos 2 minutos

0 de 2
  1. 1.Open the Screening bias check lab. Change one screening rule and watch each group's selection rate move.1 min
  2. 2.Put one real screening step's numbers into the calculator above, or use the example. Add the note to your fair hiring kit. Your kit now holds a fair job post, structured interview questions with a scoring guide, a summary prompt and a fairness check.1 min

Práctica

Pregunta 1 de 3

At an AI screen, 50 of 100 applicants over 40 pass, and 60 of 100 applicants under 40 pass. What does the four-fifths check say?

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