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AI Bias Testing: Measuring Fairness With Numbers You Can Defend

What Bias Means Statistically, Legally and Socially

Quiz: What Bias Means Statistically, Legally and Socially

Where Bias Enters: Data, Labels, Features and Deployment

Quiz: Where Bias Enters: Data, Labels, Features and Deployment

Protected Characteristics and Proxy Variables

Quiz: Protected Characteristics and Proxy Variables

Collecting Demographic Data Lawfully for Testing

Quiz: Collecting Demographic Data Lawfully for Testing

Group Fairness Metrics: Parity, Equal Opportunity and Equalised Odds

Quiz: Group Fairness Metrics: Parity, Equal Opportunity and Equalised Odds

Impact Ratios, the Four Fifths Rule and Legal Thresholds

Quiz: Impact Ratios, the Four Fifths Rule and Legal Thresholds

Individual and Counterfactual Fairness Approaches

Quiz: Individual and Counterfactual Fairness Approaches

Why Fairness Definitions Conflict Mathematically

Quiz: Why Fairness Definitions Conflict Mathematically

Sample Size, Confidence and Testing Small Groups Honestly

Quiz: Sample Size, Confidence and Testing Small Groups Honestly

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Previous Lesson

Quiz: Impact Ratios, the Four Fifths Rule and Legal Thresholds

AI Bias Testing: Measuring Fairness With Numbers You Can Defend
Impact Ratios, the Four Fifths Rule and Legal Thresholds
Quiz: Impact Ratios, the Four Fifths Rule and Legal Thresholds

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Question 1 of 5

1. Question

What is the primary purpose of impact ratios when assessing AI system performance?

To measure the total number of applications processed by an AI system
Correct Incorrect Correct answer

To compare the rate of positive outcomes between different demographic groups
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To calculate the cost efficiency of AI implementation across departments
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To determine the technical accuracy of machine learning models
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Question 2 of 5

2. Question

According to the Four Fifths Rule, what selection rate ratio would indicate potential adverse impact?

A ratio equal to or above 0.80
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A ratio below 0.80 when compared to the highest rate
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A ratio of exactly 1.00
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A ratio exceeding 1.25
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Question 3 of 5

3. Question

Which of the following best describes how impact ratios should be calculated?

Using small sample sizes to reduce computational cost
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By comparing approval or rejection rates across demographic categories
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Only for groups that have historically received equal treatment
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Based on the average performance of all AI models in use
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Question 4 of 5

4. Question

What must organisations do regarding legal thresholds for impact ratios?

Apply the same threshold across all industries without exception
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Ensure that thresholds align with existing equal opportunities policies
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Set thresholds based solely on internal budget constraints
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Ignore sector-specific regulations when defining thresholds
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Question 5 of 5

5. Question

Why is it important for practitioners to calculate impact ratios for each protected group identified in their diversity framework?

To ensure that all data is stored in a centralised database
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To identify potential disparities that may indicate bias in AI outcomes
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To reduce the number of variables used in machine learning models
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To increase the speed of decision-making processes
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Correct / 1 Points

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