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Cheung, K.L.* ; Hiligsmann, M.* ; Präger, M. ; Jones, T.* ; Józwiak-Hagymásy, J.* ; Muñoz, C.* ; Lester-George, A.* ; Pokhrel, S.* ; López-Nicolás,* ; Trapero-Bertran, M.* ; Evers, S.M.A.A.* ; de Vries, H.*

Optimizing usability of an economic decision tool: Prototype of the EQUIPT tool.

Int. J. Technol. Assess. Health Care 34, 68-77 (2018)
Verlagsversion Postprint DOI
Open Access Green
OBJECTIVES: Economic decision-support tools can provide valuable information for tobacco control stakeholders, but their usability may impact the adoption of such tools. This study aims to illustrate a mixed-method usability evaluation of an economic decision-support tool for tobacco control, using the EQUIPT ROI tool prototype as a case study. METHODS: A cross-sectional mixed methods design was used, including a heuristic evaluation, a thinking aloud approach, and a questionnaire testing and exploring the usability of the Return of Investment tool. RESULTS: A total of sixty-six users evaluated the tool (thinking aloud) and completed the questionnaire. For the heuristic evaluation, four experts evaluated the interface. In total twenty-one percent of the respondents perceived good usability. A total of 118 usability problems were identified, from which twenty-six problems were categorized as most severe, indicating high priority to fix them before implementation. CONCLUSIONS: Combining user-based and expert-based evaluation methods is recommended as these were shown to identify unique usability problems. The evaluation provides input to optimize usability of a decision-support tool, and may serve as a vantage point for other developers to conduct usability evaluations to refine similar tools before wide-scale implementation. Such studies could reduce implementation gaps by optimizing usability, enhancing in turn the research impact of such interventions.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Decision-support Tool ; Heuristic Evaluation ; Thinking Aloud ; Usability Evaluation; Interface Design; Interventions; Principles; Policy
ISSN (print) / ISBN 0266-4623
e-ISSN 1471-6348
Zeitschrift International Journal of Technology Assessment in Health Care
Quellenangaben Band: 34, Heft: 1, Seiten: 68-77 Artikelnummer: , Supplement: ,
Verlag Cambridge Univ. Press
Verlagsort New York