AI Hiring Glossary
Impact Ratio
Impact Ratio / Selection Rate Ratio
The ratio comparing the selection rate of one demographic group to another, typically expressed as the rate for the lower-selected group divided by the rate for the higher-selected group. Used to quantify potential disparate impact.
Why This Matters for Employers
NYC Local Law 144 bias audits must calculate impact ratios for race/ethnicity categories and sex. These metrics help identify which tools may be discriminating.
Related Laws & Regulations
NYC Local Law 144
New York City
EEOC Guidelines
Federal
Examples in Practice
Selection rate ratio = (Selection rate of Group A) / (Selection rate of Group B)
Scoring rate ratio for assessment tools
Pass-through rates at each stage of automated screening
How EmployArmor Helps
Understanding Impact Ratio is just the first step. EmployArmor helps you implement compliance for all AI hiring regulations.
Compliance Assessment
Find out which laws apply to your AI hiring tools and what you need to do to comply.
Documentation Templates
Get ready-to-use templates for impact assessments, notifications, and audit preparation.