The Fragility of Fairness: Causal Sensitivity Analysis for Fair Machine Learning
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Abstract (arXiv)
Fairness metrics are a core tool in the fair machine learning literature (FairML), used to determine that ML models are, in some sense, "fair". Real-world data, however, are typically plagued by various measurement biases and other violated assumptions, which can render fairness assessments meaningless. We adapt tools from causal sensitivity analysis to the FairML context, providing a general framework which (1) accommodates effectively any combination of fairness metric and bias that can be posed in the "oblivious setting"; (2) allows researchers to investigate combinations of biases, resulting in non-linear sensitivity; and (3) enables flexible encoding of domain-specific constraints and assumptions. Employing this framework, we analyze the sensitivity of the most common parity metrics under 3 varieties of classifier across 14 canonical fairness datasets. Our analysis reveals the striking fragility of fairness assessments to even minor dataset biases. We show that causal sensitivity analysis provides a powerful and necessary toolkit for gauging the informativeness of parity metric evaluations. Our repository is available here: https://github.com/Jakefawkes/fragile_fair.
Key facts. Cited by 8 papers in the map (data through 7 Oct 2026). Builds on 39 of its 70 references that are in the map. First posted on arXiv 12 Oct 2024.
Builds on
39 of 70 references.
References · 39
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- 2020Fair Classification with Group-Dependent Label Noisecited by 67
- 2021Characterizing Fairness Over the Set of Good Models Under Selective Labelscited by 65
27 more
- 2021It's COMPASlicated: The Messy Relationship between RAI Datasets and Algorithmic Fairness Benchmarkscited by 61
- 2019Counterfactual Risk Assessments, Evaluation, and Fairnesscited by 59
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- 2023Ground(less) Truth: A Causal Framework for Proxy Labels in Human-Algorithm Decision-Makingcited by 25
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- 2022Selection, Ignorability and Challenges With Causal Fairnesscited by 16
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Built on by
Citing papers per year: 2025: 4; 2026: 4.
8 papers.
- 2025Bias Begins with Data: The FairGround Corpus for Robust and Reproducible Research on Algorithmic Fairnesscited by 2
- 2025Argumentative Debates for Transparent Bias Detection [Technical Report]cited by 1
- 2026Optimal Fair Aggregation of Crowdsourced Noisy Labels using Demographic Parity Constraintscited by 1
- 2025The influence of missing data mechanisms and simple missing data handling techniques on fairnesscited by 0
- 2025DiCE-Extended: A Robust Approach to Counterfactual Explanations in Machine Learningcited by 0
- 2026Falsifying Discriminant Validity of Predictive Algorithmscited by 0
- 2026Bayesian Sensitivity of Causal Inference Estimators under Evidence-Based Priorscited by 0
- 2026Long-term Fairness with Selective Labelscited by 0
- 2026Long-term Fairness with Selective Labels21 May 2026
- 2026Bayesian Sensitivity of Causal Inference Estimators under Evidence-Based Priors8 May 2026
- 2026Optimal Fair Aggregation of Crowdsourced Noisy Labels using Demographic Parity Constraints30 Jan 2026
- 2026Falsifying Discriminant Validity of Predictive Algorithms23 Jan 2026
- 2025Bias Begins with Data: The FairGround Corpus for Robust and Reproducible Research on Algorithmic Fairness25 Oct 2025
- 2025Argumentative Debates for Transparent Bias Detection [Technical Report]6 Aug 2025
- 2025DiCE-Extended: A Robust Approach to Counterfactual Explanations in Machine Learning26 Apr 2025
- 2025The influence of missing data mechanisms and simple missing data handling techniques on fairness10 Mar 2025