Large Language Model Agents For Improving Engagement With Behavior Change Interventions: Application To Digital Mindfulness
Kumar Harsh, Yoo Suhyeon, Bernuy Angela Zavaleta, Shi Jiakai, Luo Huayin, Williams Joseph, Kuzminykh Anastasia, Anderson Ashton, Kornfield Rachel. Arxiv 2024
[Paper]
Although engagement in self-directed wellness exercises typically declines over time, integrating social support such as coaching can sustain it. However, traditional forms of support are often inaccessible due to the high costs and complex coordination. Large Language Models (LLMs) show promise in providing human-like dialogues that could emulate social support. Yet, in-depth, in situ investigations of LLMs to support behavior change remain underexplored. We conducted two randomized experiments to assess the impact of LLM agents on user engagement with mindfulness exercises. First, a single-session study, involved 502 crowdworkers; second, a three-week study, included 54 participants. We explored two types of LLM agents: one providing information and another facilitating self-reflection. Both agents enhanced users’ intentions to practice mindfulness. However, only the information-providing LLM, featuring a friendly persona, significantly improved engagement with the exercises. Our findings suggest that specific LLM agents may bridge the social support gap in digital health interventions.
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