Home Back

How To Calculate Disparate Impact Ratio

Disparate Impact Ratio Formula:

\[ DIR = \frac{\text{Selection Rate Minority}}{\text{Selection Rate Majority}} \times 100 \]

%
%

Unit Converter ▲

Unit Converter ▼

From: To:

1. What Is The Disparate Impact Ratio?

The Disparate Impact Ratio (DIR) is a statistical measure used to assess potential bias in selection processes. It compares the selection rates between minority and majority groups to identify possible discriminatory practices in hiring, promotion, or other selection procedures.

2. How Does The Calculator Work?

The calculator uses the Disparate Impact Ratio formula:

\[ DIR = \frac{\text{Selection Rate Minority}}{\text{Selection Rate Majority}} \times 100 \]

Where:

Explanation: The ratio measures the relative selection rate of minority candidates compared to majority candidates. A DIR below 80% typically indicates potential adverse impact and requires further investigation.

3. Importance Of DIR Calculation

Details: DIR calculation is crucial for organizations to ensure fair hiring practices, comply with equal employment opportunity regulations, and identify potential systemic biases in their selection processes.

4. Using The Calculator

Tips: Enter the selection rates for both minority and majority groups as percentages. Both values must be between 0 and 100, and the majority rate cannot be zero.

5. Frequently Asked Questions (FAQ)

Q1: What Does A DIR Below 80% Indicate?
A: A DIR below 80% suggests potential adverse impact and may indicate that the selection process disproportionately affects minority candidates, requiring further analysis.

Q2: Is DIR The Same As Discrimination?
A: No, DIR measures statistical disparity. A low DIR indicates potential bias but doesn't prove intentional discrimination. Further investigation is needed to determine causes.

Q3: What Are Typical DIR Thresholds?
A: The "80% rule" is commonly used, where DIR < 80% indicates potential adverse impact. Some jurisdictions may use different thresholds or consider statistical significance.

Q4: When Should DIR Analysis Be Conducted?
A: DIR analysis should be conducted regularly for hiring, promotion, and other selection decisions, especially when making significant changes to selection processes.

Q5: What Actions Should Be Taken If DIR Is Low?
A: If DIR is below 80%, organizations should review their selection criteria, validate assessment tools, ensure job-relatedness, and consider alternative selection methods.

How To Calculate Disparate Impact Ratio© - All Rights Reserved 2025