Cited by 696Ethics and Social Impacts of AIExplainable Artificial Intelligence (XAI)Artificial Intelligence in Law

The DOI matches its Crossref record; 87 of the 92 references it cites were found in a registry or an index, and 5 are not checked yet; none of the 27 sources its claims cite is checked for support yet.

'It's Reducing a Human Being to a Percentage': Perceptions of Justice in Algorithmic Decisions

Open access
Binns, Reuben, Van Kleek, Max, Veale, Michael, Lyngs, Ulrik, Zhao, Jun, Shadbolt, Nigel·2018·Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems

Published version of a preprint

Abstract

Data-driven decision-making consequential to individuals raises important questions of accountability and justice. Indeed, European law provides individuals limited rights to 'meaningful information about the logic' behind significant, autonomous decisions such as loan approvals, insurance quotes, and CV filtering. We undertake three experimental studies examining people's perceptions of justice in algorithmic decision-making under different scenarios and explanation styles. Dimensions of justice previously observed in response to human decision-making appear similarly engaged in response to algorithmic decisions. Qualitative analysis identified several concerns and heuristics involved in justice perceptions including arbitrariness, generalisation, and (in)dignity. Quantitative analysis indicates that explanation styles primarily matter to justice perceptions only when subjects are exposed to multiple different styles---under repeated exposure of one style, scenario effects obscure any explanation effects. Our results suggests there may be no 'best' approach to explaining algorithmic decisions, and that reflection on their automated nature both implicates and mitigates justice dimensions.

Checked 2026-10-06 · 5 references not checked yet

Overview

AI snapshot

Written from the paper’s full text.

TL;DR

Three experimental studies found that people apply justice dimensions to algorithmic decisions much as they do to human decisions, but explanation-style effects were mostly visible only when participants compared multiple styles for the same case. Case-based explanations were consistently associated with lower justice perceptions than sensitivity-based explanations, while repeated exposure to a single explanation style largely obscured explanation effects.

Key findings

  • Justice constructs correlated similarly to the human decision-making literature: Spearman’s rho was 0.69 for fair process–deserved outcome, 0.60 for fair process–appropriate factors, 0.51 for appropriate factors–deserved outcome, 0.40 for fair process–understanding, 0.40 for appropriate factors–understanding, and 0.36 for understanding–deserved outcome.
  • In the between-subjects study (325 participants, 5 conditions of n = 65), explanation styles generally did not significantly affect justice perceptions, except for fair process in loans, F(3, 258) = 2.71, p = 0.046, and appropriate factors, F(3, 258) = 5.35, p = 0.001.
  • In the within-subjects study (65 participants), significant explanation effects appeared across all questions and contexts: fair process in loans, F(3, 260) = 7.52, p < .001, and insurance, F(3, 260) = 4.5, p = .004; appropriate factors in loans, F(3, 260) = 3.312, p = .02, and insurance, F(3, 260) = 6.44, p = .0003; deserved outcome in loans, F(3, 260) = 7.31, p = .0001. Case-based explanations produced lower appropriateness, fair process, and loan deservedness than sensitivity-based styles.
  • Qualitative themes included lack of human touch/indignity, interpreting the system’s reasoning, acceptability of statistical inference and generalisation, actionability, unaccounted aspects, and the meaning/relevance of moral concepts; some participants saw the algorithmic nature as mitigating justice judgments.

Methods

  • Three studies: Phase 1 was an in-person lab study with 19 UK participants, using semi-structured think-aloud interviews over 15 fictional negative-outcome cases across 5 contexts (loan, promotion, car insurance, airline re-routing, bank account freeze), each with one of 4 explanation styles (input influence, sensitivity, case-based, demographic) or a no-explanation control; data were thematically analysed.
  • Phase 2 comprised two online Prolific Academic studies with UK participants over 18: a between-subjects study with 325 participants randomly assigned to 5 conditions (n = 65 each) and 12 cases with one explanation style or control, and a within-subjects study with 65 participants using only loan and insurance cases, presenting four different explanation styles for a single case in random order.
  • Measures were agreement with five 5-point Likert justice statements (agreement, understanding, appropriateness of factors, fair process, deserved outcome); analysis used Spearman’s rho correlations and ANOVA with Tukey’s post-hoc paired tests.

Limitations

  • Stated: samples were not representative—the lab study drew from an affluent, academically dominated UK city, and the online studies were not gender balanced, with almost double the number of females to males; scenarios were hypothetical and did not directly affect participants, lacking first-person consequences and options such as human review or appeal; explanations were not drawn from real machine learning model outputs; differences in explanation text length and format may have confounded results; further confirmatory work is needed on why explanation styles differ.
  • Stated/evident: the airline context was excluded from the online studies because lab participants almost universally judged it very unfair and undeserved, preventing useful conclusions; the lab sample was small (19 participants), and online participants were limited to the UK.
  • Evident: the between-subjects design repeated a single explanation style, which may have led to habituation, while the within-subjects design made style differences more salient through direct comparison; neither design may fully capture real-world exposure patterns.

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Integrity signals

Registry

Crossref · 10.1145/3173574.3173951

Cites

87 of 92 references verified0 citation errors · 0 not checkable

Statistics

Verification

Claims the paper makes

51 Own result · 21 Not checked yet · 17 Own interpretation · 7 Own method · 6 No basis given

Verify all 27 references — free account

Show all 43 claims

  • It may state two separate claims as one. 25
  • Probably not a substantial claim. 47
59 of 59
  • The authors state this as an assumption.

    The GDPR automated-decision hurdle ('based solely on automated processing') can be read less restrictively than legal analysis has indicated, so the selected scenarios may fall under GDPR.

    “The hurdle that a decision must be 'based solely on automated processing' is here read less restrictively than legal analysis has indicated [81, 20].”
  • The paper relies on this without support.

    Explanations are most likely to be requested in response to a decision with a negative outcome for the individual.

    “Because explanations are most likely to be requested in response to a decision which has a negative outcome for the individual, and considerations of procedural justice have been found to be more strongly felt in such cases [4], each scenario ended in a negative outcome for the individual.”
  • The paper relies on this without support.

    The justice constructs developed for human decision-making (informational, procedural, distributive) are applicable to and valid for evaluating algorithmic decision-making contexts.

    “The justice constructs used in all three studies were based on those developed in the psychology of justice research, summarised by Colquitt et al [11].”
    “The remaining questions pertained to informational, procedural and distributive justice.”
  • The paper relies on this without support.

    Participants' Likert-scale responses to the justice statements accurately measure their perceived justice.

    “Participants were asked to rate their agreement with five statements on a 5-point Likert scale”
    “Participants were asked to indicate their agreement with the 5 measures described in phase 1 using the same Likert scale.”
  • The paper relies on this without support.

    The fictionalised scenarios used in the lab and online studies are realistic and representative enough to elicit valid responses about algorithmic decision-making.

    “The first study consisted of in-person semi-structured interviews focused around a series of fictionalised cases as described above.”
    “Cases were presented with a brief description of the individual, the decision outcome, the explanation (except in the control condition) and an illustrative image depicting the context.”
  • The paper relies on this without support.

    The four explanation styles are sufficiently distinct and were correctly perceived by participants as intended.

    “Each case was presented with one of the 4 explanation styles described above, or a control condition in which no explanation was provided.”
    “Each decision was explained using a different style (in a random order), allowing participants to directly compare multiple styles applied to an individual subject.”
  • The paper relies on this without support.

    The thematic analysis themes identified by the coders accurately represent participants' interpretations and reasoning.

    “Thematic analysis was undertaken to identify common themes in participants' interpretation, evaluation and reasoning in response to cases. Thematic codes were independently developed by three coders, after which a single set was jointly agreed upon. The data were then re-coded using the new set of codes.”
  • The paper relies on this without support.

    The sample of Prolific Academic participants is similar enough to the lab study participants to allow comparison.

    “Participants were recruited via the study platform Prolific Academic, 4 and filtered to include only individuals over 18 based in the UK, in order to maintain similarity with the participants recruited in phase 1.”
  • The paper relies on this without support.

    There is still much to learn about what people want and need to know about algorithms in order to hold them accountable to justice.

    “there is still much to learn about what people want and need to know about algorithms in order to hold them accountable to justice”
  • The paper relies on this without support.

    The explanation styles proposed in the interpretable machine learning literature vary in the information they contain.

    “the explanation styles proposed in the interpretable machine learning literature vary in the information they contain”
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Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Statistics recomputed

Every reported test result, recomputed from its test statistic and degrees of freedom. A result shows as not adding up only once an independent check has confirmed it.

  • ConsistentF(3, 258) = 2.71reported p = .046 · recomputed p = .046

    “F(3, 258) = 2.71, p = .046”

  • ConsistentF(3, 258) = 5.35reported p = .001 · recomputed p = .001

    “F(3, 258) = 5.35, p = .001”

  • ConsistentF(3, 260) = 4.5reported p = .004 · recomputed p = .004

    “F(3, 260) = 4.5, p = .004”

  • ConsistentF(3, 260) = 3.312reported p = .02 · recomputed p = .021

    “F(3, 260) = 3.312, p = .02”

  • ConsistentF(3, 260) = 6.44reported p = .0003 · recomputed p < .001

    “F(3, 260) = 6.44, p = .0003”

  • ConsistentF(3, 260) = 7.31reported p = .0001 · recomputed p < .001

    “F(3, 260) = 7.31, p = .0001”

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Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

Each contradiction between two passages listed here was confirmed by an independent check.

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Citations

Cites

Show all 92 references

Research works printed but not linked: 8

  1. Joanna J Bryson. 2010. Robots should be slaves. Close Engagements with Artificial Companions: Key social, psychological, ethical and design issues (2010), 63--74.
  2. 10.5555/270318.270324 · DOI
  3. 10.5555/1386322 · DOI
  4. Zachary C Lipton. 2016. The Mythos of Model Interpretability. In 2016 ICML Workshop on Human Interpretability in Machine Learning (WHI 2016). New York. https://arxiv.org/abs/1606.03490 · arXiv
  5. Gregory Mitchell. 2004. Libertarian Paternalism is an Cxymoron. Nw. UL Rev. 99 (2004), 1245.
  6. 10.5555/3175762 · DOI
  7. Cathy O'Neill. 2016. How algorithms rule our working lives. The Guardian (2016).
  8. Frank Pasquale. 2015. Digital Star Chamber. Aeon (2015). https://aeon.co/essays/ judge-jury-and-executioner-the-unaccountable-algorithm

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Metadata

Authors
Binns, R., Van Kleek, M., Veale, M., Lyngs, U., Zhao, J., & Shadbolt, N.
Affiliations
  • University of Oxford (GB)
  • University of Oxford, Oxford, Oxfordshire , United Kingdom
  • University College London (GB)
Venue
Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems
Publisher
ACM
Published
2018-04-21
Pages
1-14
OpenAlex
W4296978576
Cited by
691
References
92
Citations by year
2026: 139 · 2025: 204 · 2024: 87 · 2023: 60 · 2022: 76 · 2021: 53 · 2020: 35 · 2019: 31 · 2018: 6
FWCI
56.17
Type
conference paper
Language
en
Open access
Locations
  • CHI Conference on Human Factors in Computing Systems (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
Funders
UK Engineering and Physical Sciences Research Council (EP/J017728/2)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Ethics and Social Impacts of AI
  • Physical Sciences › Computer Science › Artificial Intelligence › Explainable Artificial Intelligence (XAI)
  • Social Sciences › Law › Artificial Intelligence in Law
Keywords
algorithmic decision-making, perceived justice, algorithmic transparency, explanation styles, accountability, arbitrariness, indignity, generalization, automated decision-making, EU data protection law, lending, insurance quotes

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