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Related Experiment Video

Updated: Sep 5, 2025

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

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Published on: March 19, 2021

Exploring Users' Experiences With a Quick-Response Chatbot Within a Popular Smoking Cessation Smartphone App:

Alice Alphonse¹, Kezia Stewart¹, Jamie Brown¹

¹Department of Behavioural Science and Health, University College London, London, United Kingdom.

JMIR Formative Research

|July 7, 2022

Summary

Smokers engaged more with a smoking cessation app's chatbot, Quit Coach, when they treated it like a person and found its style supportive. This increased accountability and motivation to quit smoking.

Keywords:

accountability chatbot conversational agent engagement mobile phone smartphone app smoking cessation

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Area of Science:

Digital Health
Behavioral Science
Human-Computer Interaction

Background:

Smartphone app engagement for smoking cessation is often low.
Chatbots offer a potential solution to improve user engagement in digital health interventions.

Purpose of the Study:

To explore smokers' experiences with the Quit Coach chatbot.
To identify factors influencing user engagement with the chatbot in smoking cessation.

Main Methods:

Qualitative interviews with adult smokers who used Quit Coach.
Analysis of transcribed interviews using inductive thematic analysis within a constructivist framework.

Main Results:

Users anthropomorphized Quit Coach, attributing human-like qualities, fostering accountability.
Quit Coach's positive, motivational interaction style and quick check-ins enhanced engagement.
Engagement was driven by users seeking distraction from cravings or support for sustained motivation.

Conclusions:

Chatbot interaction style and user-perceived need for support facilitated anthropomorphism.
Anthropomorphism and supportive interactions may increase accountability and engagement in smoking cessation apps.