Cited by 74Ethics and Social Impacts of AIBayesian Modeling and Causal InferenceExplainable Artificial Intelligence (XAI)

What's sex got to do with machine learning?

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Hu, Lily, Kohler-Hausmann, Issa·2020·Proceedings of the 2020 Conference on Fairness, Accountability, and Transparency

Abstract

The debate about fairness in machine learning has largely centered around competing substantive definitions of what fairness or nondiscrimination between groups requires. However, very little attention has been paid to what precisely a group is. Many recent approaches have abandoned observational, or purely statistical, definitions of fairness in favor of definitions that require one to specify a causal model of the data generating process. The implicit ontological assumption of these exercises is that a racial or sex group is a collection of individuals who share a trait or attribute, for example: the group "female" simply consists in grouping individuals who share female-coded sex features. We show this by exploring the formal assumption of modularity in causal models using directed acyclic graphs (DAGs), which hold that the dependencies captured by one causal pathway are invariant to interventions on any other causal pathways. Modeling sex, for example, as a node in a causal model aimed at elucidating fairness questions proposes two substantive claims: 1) There exists a feature, sex-on-its-own, that is an inherent trait of an individual that then (causally) brings about social phenomena external to it in the world; and 2) the relations between sex and its downstream effects can be modified in whichever ways and the former node would still retain the meaning that sex has in our world. Together, these claims suggest sex to be a category that could be different in its (causal) relations with other features of our social world via hypothetical interventions yet still mean what it means in our world. This fundamental stability of categories and causes (unless explicitly intervened on) is essential in the methodology of causal inference, because without it, causal operations can alter the meaning of a category, fundamentally change how it is situated within a causal diagram, and undermine the validity of any inferences drawn on the diagram as corresponding to any real phenomena in the world.

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  • Even causal explanations may be problematic because they rely on flawed ontological assumptions about the social categories used for classification.

    “Even causal explanations may be problematic, as recent work has shown (Hu & Kohler-Hausman, 2020), because they rely on flawed ontological assumptions about the social categories used for classification.”

    From Algorithmic profiling as a source of hermeneutical injustice (2025) · cites this paper as Hu & Kohler-Hausman, 2020

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Cited by

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Authors
Hu, L., & Kohler-Hausmann, I.
Affiliations
  • Harvard University (US)
  • Yale University
Venue
Proceedings of the 2020 Conference on Fairness, Accountability, and Transparency
Publisher
ACM
Published
2020-01-27
Pages
513-513
OpenAlex
W3013969094
Cited by
74
References
2
Citations by year
2026: 5 · 2025: 5 · 2024: 12 · 2023: 19 · 2022: 11 · 2021: 17 · 2020: 4 · 2019: 1
Type
conference abstract
Language
en
Open access
Locations
  • ACM Conference on Fairness, Accountability, and Transparency (FAccT) (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
Funders
National Science Foundation Graduate Research Fellowship Program (DGE1745303)
Topics
  • Social Sciences › Safety Research › Ethics and Social Impacts of AI
  • Physical Sciences › Computer Science › Artificial Intelligence › Bayesian Modeling and Causal Inference
  • Physical Sciences › Computer Science › Artificial Intelligence › Explainable Artificial Intelligence (XAI)
Keywords
algorithmic fairness, causal models, directed acyclic graphs, non-discrimination, sex categories

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