A summary of an organization's testing results is presented.

This question refers to the 4/5ths Rule (or 80% Rule) from the Uniform Guidelines on Employee Selection Procedures (UGESP).

It states that a selection rate for any protected group should be at least 80% (or 4/5) of the rate for the group with the highest selection rate.

Official Extract:

"The 4/5ths Rule (80% Rule) indicates adverse impact if the selection rate for a protected group is less than 80% of the rate for the most selected group."

(Source: HRCI PHR Content Outline 2024–2025, Talent Planning and Acquisition Section, Adverse Impact Analysis)