J Biomed Inform - Digital video analysis of health professionals' interactions with an electronic whiteboard: a longitudinal, naturalistic study of changes to user interactions.

Tópicos

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Resumo

As hospital departments continue to introduce electronic whiteboards in real clinical settings a range of human factor issues have emerged and it has become clear that there is a need for improved methods for designing and testing these systems. In this study, we employed a longitudinal and naturalistic method in the usability evaluation of an electronic whiteboard system. The goal of the evaluation was to explore the extent to which usability issues experienced by users change as they gain more experience with the system. In addition, the paper explores the use of a new approach to collection and analysis of continuous digital video recordings of naturalistic "live" user interactions. The method developed and employed in the study included recording the users' interactions with system during actual use using screen-capturing software and analyzing these recordings for usability issues. In this paper we describe and discuss both the method and the results of the evaluation. We found that the electronic whiteboard system contains system-related usability issues that did not change over time as the clinicians collectively gained more experience with the system. Furthermore, we also found user-related issues that seemed to change as the users gained more experience and we discuss the underlying reasons for these changes. We also found that the method used in the study has certain advantages over traditional usability evaluation methods, including the ability to collect analyze live user data over time. However, challenges and drawbacks to using the method (including the time taken for analysis and logistical issues in doing live recordings) should be considered before utilizing a similar approach. In conclusion we summarize our findings and call for an increased focus on longitudinal and naturalistic evaluations of health information systems and encourage others to apply and refine the method utilized in this study.

Resumo Limpo

hospit depart continu introduc electron whiteboard real clinic set rang human factor issu emerg becom clear need improv method design test system studi employ longitudin naturalist method usabl evalu electron whiteboard system goal evalu explor extent usabl issu experienc user chang gain experi system addit paper explor use new approach collect analysi continu digit video record naturalist live user interact method develop employ studi includ record user interact system actual use use screencaptur softwar analyz record usabl issu paper describ discuss method result evalu found electron whiteboard system contain systemrel usabl issu chang time clinician collect gain experi system furthermor also found userrel issu seem chang user gain experi discuss under reason chang also found method use studi certain advantag tradit usabl evalu method includ abil collect analyz live user data time howev challeng drawback use method includ time taken analysi logist issu live record consid util similar approach conclus summar find call increas focus longitudin naturalist evalu health inform system encourag other appli refin method util studi

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