asked in category: General Last Updated: 7th January, 2020

# What is the four fifths rule?

The four-fifths rule prescribes that a selection rate for any group (classified by race, orientation or ethnicity) that is less than four-fifths of that for the group with the highest rate constitutes evidence of adverse impact (also called 'disparate impact'), that is, discriminatory effects on a protected group.

People also ask, what best describes the four fifths rule?

The Four-Fifths rule states that if the selection rate for a certain group is less than 80 percent of that of the group with the highest selection rate, there is adverse impact on that group. In this situation the selection rate for men is 2%, while the selection rate for women is 1.5%.

Beside above, how do you do adverse impact analysis? A four-step process determines adverse impact:

1. Calculate the rate of selection for each group (divide the number of persons selected from a group by the number of applicants from that group).
2. Determine which group has the highest selection rate.

Then, what is the 80 rule in employment?

The 80% rule states that the selection rate of the protected group should be at least 80% of the selection rate of the non-protected group. In this example, 4.8% of 9.7% is 49.5%. Since 49.5% is less than four-fifths (80%), this group has adverse impact against minority applicants.

How is impact rate calculated?

Calculate Impact Ratio. Determine the selection rate for protected groups comprising more than 2 percent of the entire applicant group by dividing the number of applicants hired within a group by the total number of applicants in the group.

### What does adverse impact mean?

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7th January, 2020

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