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A Modified User-Oriented Heuristic Evaluation of a Mobile Health System for Diabetes Self-management Support
Blekinge Institute of Technology, Faculty of Computing, Department of Creative Technologies.ORCID iD: 0000-0002-9854-7690
2016 (English)In: Computers, Informatics, Nursing, ISSN 1538-2931, E-ISSN 1538-9774, Vol. 34, no 2, 77-84 p.Article in journal (Refereed) Published
Abstract [en]

Mobile health platforms offer significant opportunities for improving diabetic self-care, but only if adequate usability exists. Expert evaluations such as heuristic evaluation can provide distinct usability information about systems. The purpose of this study was to complete a usability evaluation of a mobile health system for diabetes patients using a modified heuristic evaluation technique of (1) dual-domain experts (healthcare professionals, usability experts), (2) validated scenarios and user tasks related to patients' self-care, and (3) in-depth severity factor ratings. Experts identified 129 usability problems with 274 heuristic violations for the system. The categories Consistency and Standards dominated at 24.1% (n = 66), followed by Match Between System and Real World at 22.3% (n = 61). Average severity ratings across system views were 2.8 (of 4), with 9.3% (n = 12) rated as catastrophic and 53.5% (n = 69) as major. The large volume of violations with severe ratings indicated clear priorities for redesign. The modified heuristic approach allowed evaluators to identify unique and important issues, including ones related to self-management and patient safety. This article provides a template for one type of expert evaluation adding to the informaticists' toolbox when needing to conduct a fast, resource-efficient and user-oriented heuristic evaluation. 

Place, publisher, year, edition, pages
Lippincott Williams & Wilkins, 2016. Vol. 34, no 2, 77-84 p.
Keyword [en]
Diabetes; Heuristic evaluation; Mobile health; Patient self-management; Usability evaluation
National Category
Endocrinology and Diabetes
URN: urn:nbn:se:bth-11380DOI: 10.1097/CIN.0000000000000209ISI: 000376461500004OAI: diva2:892123

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Available from: 2016-01-08 Created: 2016-01-08 Last updated: 2016-10-11Bibliographically approved

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