Thursday, August 15, 2024

AI Companions Reduce Loneliness - Julian De Freitas, et al; Harvard Business School

Chatbots are now able to engage in sophisticated conversations with consumers in the domain of 
relationships, providing a potential coping solution to widescale societal loneliness. Behavioral 
research provides little insight into whether these applications are effective at alleviating 
loneliness. We address this question by focusing on “AI companions”: applications designed to 
provide consumers with synthetic interaction partners. Studies 1 and 2 find suggestive evidence 
that consumers use AI companions to alleviate loneliness, by employing a novel methodology 
for fine-tuning large language models (LLMs) to detect loneliness in conversations and reviews.
Study 3 finds that AI companions successfully alleviate loneliness on par only with interacting 
with another person, and more than other activities such watching YouTube videos. Moreover,
consumers underestimate the degree to which AI companions improve their loneliness. Study 4
uses a longitudinal design and finds that an AI companion consistently reduces loneliness over 
the course of a week. Study 5 provides evidence that both the chatbots’ performance and, 
especially, whether it makes users feel heard, explain reductions in loneliness. Study 6 provides 
an additional robustness check for the loneliness-alleviating benefits of AI companions.

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