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Activity Number:
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83
- Your Invited Poster Evening Entertainment: No Longer Board
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Type:
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Invited
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Date/Time:
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Sunday, July 30, 2017 : 8:30 PM to 10:30 PM
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Sponsor:
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Social Statistics Section
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Abstract #324519
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Title:
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Fair Prediction with Disparate Impact: a Study of Bias in Recidivism Prediction Instruments
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Author(s):
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Alexandra Chouldechova*
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Companies:
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Carnegie Mellon University
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Keywords:
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Risk assessment ;
Prediction ;
Fairness ;
Ethics ;
Disparate Impact ;
Model assessment
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Abstract:
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Recidivism prediction instruments provide decision makers with an assessment of the likelihood that a criminal defendant will reoffend at a future point in time. While such instruments are gaining increasing popularity across the country, their use is attracting tremendous controversy. Much of the controversy concerns potential discriminatory bias in the risk assessments that are produced. This paper discusses a fairness criterion originating in the field of educational and psychological testing that has recently been applied to assess the fairness of recidivism prediction instruments. We demonstrate how adherence to the criterion may lead to considerable disparate impact when recidivism prevalence differs across groups.
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Authors who are presenting talks have a * after their name.
