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A fully automated conversational agent for promoting mental well-being: A pilot RCT using mixed methods
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences.
Department of Psychology, Mittuniversitetet, Östersund, Sweden.
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences. Department of Clinical Neuroscience, Center for Psychiatry Research, Karolinska Institutet, Stockholm, Sweden.ORCID iD: 0000-0003-4753-6745
2017 (English)In: Internet Interventions, ISSN 2214-7829, Vol. 10, p. 39-46Article in journal (Refereed) Published
Abstract [en]

Fully automated self-help interventions can serve as highly cost-effective mental health promotion tools for massive amounts of people. However, these interventions are often characterised by poor adherence. One way to address this problem is to mimic therapy support by a conversational agent. The objectives of this study were to assess the effectiveness and adherence of a smartphone app, delivering strategies used in positive psychology and CBT interventions via an automated chatbot (Shim) for a non-clinical population — as well as to explore participants views and experiences of interacting with this chatbot. A total of 28 participants were randomized to either receive the chatbot intervention (n = 14) or to a wait-list control group (n = 14). Findings revealed that participants who adhered to the intervention (n = 13) showed significant interaction effects of group and time on psychological well-being (FS) and perceived stress (PSS-10) compared to the wait-list control group, with small to large between effect sizes (Cohens d range 0.14–1.06). Also, the participants showed high engagement during the 2-week long intervention, with an average open app ratio of 17.71 times for the whole period. This is higher compared to other studies on fully automated interventions claiming to be highly engaging, such as Woebot and the Panoply app. The qualitative data revealed sub-themes which, to our knowledge, have not been found previously, such as the moderating format of the chatbot. The results of this study, in particular the good adherence rate, validated the usefulness of replicating this study in the future with a larger sample size and an active control group. This is important, as the search for fully automated, yet highly engaging and effective digital self-help interventions for promoting mental health is crucial for the public health. © 2017 The Authors

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 10, p. 39-46
National Category
Psychiatry
Identifiers
URN: urn:nbn:se:liu:diva-146974DOI: 10.1016/j.invent.2017.10.002Scopus ID: 2-s2.0-85032031216OAI: oai:DiVA.org:liu-146974DiVA, id: diva2:1196367
Available from: 2018-04-09 Created: 2018-04-09 Last updated: 2018-04-09

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Ly, Kien HoaAndersson, Gerhard

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