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arXiv · 2402.08379

The Duet of Representations and How Explanations Exacerbate It

Charles Wan·Rodrigo Belo·Leid Zejnilović·Susana Lavado
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Abstract

An algorithm effects a causal representation of relations between features and labels in the human's perception. Such a representation might conflict with the human's prior belief. Explanations can direct the human's attention to the conflicting feature and away from other relevant features. This leads to causal overattribution and may adversely affect the human's information processing. In a field experiment we implemented an XGBoost-trained model as a decision-making aid for counselors at a public employment service to predict candidates' risk of long-term unemployment. The treatment group of counselors was also provided with SHAP. The results show that the quality of the human's decision-making is worse when a feature on which the human holds a conflicting prior belief is displayed as part of the explanation.

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Charles Wan, Rodrigo Belo, Leid Zejnilović, Susana Lavado. 2024-02-13. The Duet of Representations and How Explanations Exacerbate It. https://doi.org/10.1007/978-3-031-44067-0_10

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