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Illustrating a framework for assessing generative artificial intelligence-based conversational agents for mental
C Desage1, T Patterson1, Y Wu1
1Palo Alto University, Children and Adolescents Psychotherapy and Technology Lab, Palo Alto, CA, USA.
Generative Artificial Intelligence (AI) chatbots show promise in mental health care. While AI demonstrated high treatment fidelity, human therapists still outperform in therapeutic common factors, indicating areas for AI improvement.
Area of Science:
- Mental Health Technology
- Artificial Intelligence in Healthcare
- Psychotherapy Research
Background:
- Generative Artificial Intelligence (AI)-based conversational agents (CAs) offer potential solutions for increasing access to mental health services.
- The study addresses the need to evaluate the quality and effectiveness of AI in therapeutic contexts.
Purpose of the Study:
- To implement and assess the Thera Turing Test as a framework for evaluating AI conversational agents in mental health.
- To compare the conversational quality of a human therapist with an AI CA (Pat) in delivering specific therapeutic interventions.
Main Methods:
- Two types of therapeutic conversations (Psychoeducation and Special Time) were analyzed.
- An AI CA (Pat) and a human therapist delivered the interventions via written online conversation.
- Graduate psychology students evaluated conversations using the Thera Turing Test, assessing treatment fidelity and common therapeutic factors.
Main Results:
- Both the human therapist and the AI CA (Pat) achieved high treatment fidelity scores (94.44% and 86%, respectively).
- The human therapist scored higher (90.80%) in common therapeutic factors compared to the AI CA (Pat).
Conclusions:
- AI CAs demonstrate comparable high treatment fidelity to human therapists in preliminary assessments.
- AI CAs require further development to match human therapists in fostering common therapeutic factors.
- The Thera Turing Test is a valuable tool for assessing AI quality in mental health and guiding future improvements.
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