Kwasnicka, Dominika, Inauen, Jennifer, Nieuwenboom, Wim, Nurmi, Johanna, Schneider, Annegret, Short, Camille, Deckers, Tessa, Williams, A. Jess, Bierbauer, Walter, Haukkala, Ari, Picariello, Federica and Naughton, Felix (2019) Challenges and solutions for N-of-1 design studies in health psychology. Health Psychology Review, 13 (2). pp. 163-178. ISSN 1743-7199
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Abstract
Theories of behaviour change and health behaviour change interventions are most often evaluated in between-person designs. However, behaviour change theories apply to individuals not groups and behavioural interventions ultimately aim to achieve within-person rather than between-group change. Within-person methodology, such as N-of-1 (also known as single case design), can circumvent this issue, though has multiple design-specific challenges. This paper provides a conceptual review of the challenges and potential solutions for undertaking N-of-1 studies in health psychology. Key challenges identified include participant adherence to within-person protocols, carry-over and slow onset effects, suitability of behaviour change techniques for evaluation in N-of-1 experimental studies, optimal allocation sequencing and blinding, calculating power/sample size, and choosing the most suitable analysis approach. Key solutions include involving users in study design, employing recent technologies for unobtrusive data collection and problem solving by design. Within-person designs share common methodological requirements with conventional between-person designs but require specific methodological considerations. N-of-1 evaluation designs are appropriate for many though not all types of interventions. A greater understanding of patterns of behaviours and factors influencing behaviour change at the within-person level is required to progress health psychology into a precision science.
Item Type: | Article |
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Faculty \ School: | Faculty of Medicine and Health Sciences > School of Health Sciences |
UEA Research Groups: | Faculty of Medicine and Health Sciences > Research Groups > Health Promotion Faculty of Medicine and Health Sciences > Research Groups > Behavioural and Implementation Science Faculty of Medicine and Health Sciences > Research Centres > Lifespan Health |
Depositing User: | LivePure Connector |
Date Deposited: | 06 Mar 2019 16:30 |
Last Modified: | 19 Oct 2023 02:23 |
URI: | https://ueaeprints.uea.ac.uk/id/eprint/70175 |
DOI: | 10.1080/17437199.2018.1564627 |
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