A Risk Taxonomy for Evaluating AI-Powered Psychotherapy Agents

• URL: http://arxiv.org/abs/2505.15108v1
• Date: Wed, 21 May 2025 05:01:39 GMT
• Title: A Risk Taxonomy for Evaluating AI-Powered Psychotherapy Agents
• Authors: Ian Steenstra, Timothy W. Bickmore,
• Abstract summary: We introduce a novel risk taxonomy specifically designed for the systematic evaluation of conversational AI psychotherapists.<n>We discuss two use cases in detail: monitoring cognitive model-based risk factors during a counseling conversation to detect unsafe deviations, and in automated benchmarking of AI psychotherapists with simulated patients.
• Score: 10.405048273969085
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The proliferation of Large Language Models (LLMs) and Intelligent Virtual Agents acting as psychotherapists presents significant opportunities for expanding mental healthcare access. However, their deployment has also been linked to serious adverse outcomes, including user harm and suicide, facilitated by a lack of standardized evaluation methodologies capable of capturing the nuanced risks of therapeutic interaction. Current evaluation techniques lack the sensitivity to detect subtle changes in patient cognition and behavior during therapy sessions that may lead to subsequent decompensation. We introduce a novel risk taxonomy specifically designed for the systematic evaluation of conversational AI psychotherapists. Developed through an iterative process including review of the psychotherapy risk literature, qualitative interviews with clinical and legal experts, and alignment with established clinical criteria (e.g., DSM-5) and existing assessment tools (e.g., NEQ, UE-ATR), the taxonomy aims to provide a structured approach to identifying and assessing user/patient harms. We provide a high-level overview of this taxonomy, detailing its grounding, and discuss potential use cases. We discuss two use cases in detail: monitoring cognitive model-based risk factors during a counseling conversation to detect unsafe deviations, in both human-AI counseling sessions and in automated benchmarking of AI psychotherapists with simulated patients. The proposed taxonomy offers a foundational step towards establishing safer and more responsible innovation in the domain of AI-driven mental health support.

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