Marijke Broekhuis|Lex van Velsen|Hermie Hermens
Assessing usability of eHealth technology: A comparison of usability benchmarking instruments
University of Twente|Roessingh Research and Development|University of Twente|Roessingh Research and Development|University of Twente|Roessingh Research and Development
generally assumed usability benchmarking instruments technology agnostic methods usability evaluations used digital commercial educational governmental healthcare systems however ehealth technologies unique characteristics need support patients health provide treatment monitor progress little research done effectiveness different benchmarks qualitative quantitative within ehealth contextin study compared three usability benchmarking instruments logging task performance think aloud sus system usability scale assess metric indicative usability ehealth technology also analyzed outcome variables task completion system usability score serious critical usability issues interacted acceptance factors perceived benefits usefulness intention usea usability evaluation protocol set incorporated three benchmarking methods protocol deployed among 36 dutch participants across three different ehealth technologies gamified application older adults n 19 online telerehabilitation portal healthcare professionals n 9 mobile health app adolescents n 8the main finding task completion compared sus stronger correlations usability benchmarks also serious critical issues stronger correlated task metrics sus regard acceptance factors significant differences three usability benchmarking instrumentswith study took first step examining improve usability evaluations ehealth results show listing usability issues think aloud protocols remains one effective tools explain usability ehealth using sus standalone usability metric ehealth recommended preferably sus combined task metrics especially task completion recommend develop usability benchmarking instrument specifically ehealth