
arXiv:2606.02198v1 Announce Type: new Abstract: Prediction tasks over individual futures, which are inherently noisy, often admit multiple similarly accurate models. When these models produce different predictions for the same individual, they raise concerns of arbitrariness in decision-making. How severe can this arbitrariness be, in theory and in practice? How can it be resolved to support high-stakes risk assessment? We address these questions through a study of a machine learning-based decision support system for recidivism risk assessment that has been in use for over 15 years. By transla
The proliferation of AI models in high-stakes domains like judicial systems, combined with increasing scrutiny on fairness and transparency, makes this a timely investigation into model multiplicity.
This research highlights a critical, often overlooked problem in AI deployment: the arbitrariness that arises when equally accurate models make divergent predictions, directly impacting legal decisions and public trust.
The understanding that model multiplicity can lead to unpredictable and potentially unjust outcomes implies a need for new regulatory frameworks and model selection criteria beyond mere accuracy.
- · AI ethics researchers
- · Legal tech auditors
- · Organizations prioritizing explainable AI
- · Regulatory bodies
- · Developers of proprietary, opaque risk assessment models
- · Judicial systems relying on black-box AI
- · Individuals subject to arbitrary AI decisions
Increased pressure to develop and deploy AI models with greater transparency and explainability, especially in critical public sector applications.
Potential legal challenges against decisions made using multiple, conflicting AI models, leading to a re-evaluation of AI's role in justice systems.
A shift towards 'ensemble governance' for AI systems, where decision-making processes explicitly account for model multiplicity and potential divergences.
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Read at arXiv cs.LG