Chapter 5 Clinical Informatics (All Correct 100%)

usability testing correct answers -A "technique used to evaluate a product [or information system] by testing it with representative users" -measures the users perception about effectiveness and efficiency and users satisfaction with the product and the tendency of errors with the product ex: traffic lights and four way stop signs to develop or purchase electronic health records (EHRs), medical devices, and other health IT that meet users' needs, improve productivity, and safeguard against errors correct answers the goal of usability testing -Usability testing should be part of the design project plan -late testing results in more costly changes and hampers teamwork correct answers When should usability testing be used and why? user experience (UX) correct answers -occurs when the technology is mismatched to the needs of the user -costly in terms of dollars, personnel turnover, and unnecessary medical errors The healthcare organization is burdened with poor usability for the life of that system which can lead to medical errors and leave the potential for efficiencies and safety as unrealized goals correct answers With most EHR systems, priced in the millions, what happens when a poor UX has been purchased? Health Information Technology for Economic and Clinical Health Act (HITECH) correct answers -promotes adoption for EHR with financial incentives followed by reduced reimbursement for nonadoption of EHRs -poor usability means that the goals of adoption of EHRs could be delayed user-centered design (UCD) correct answers -a method for assessing usability throughout the system development life cycle -the means that the needs, desires and limitation of users are the driving factors for design not the technology capacities -understand human-computer interaction -design a natural way for users to interact with the system that satisfies rather than frustrates correct answers What does User-Centered Design requires developers to do? -Walk Domain Saturation -Task Completion -Accuracy -Recall -Quality of Outcome -Expert Assessment correct answers the methods of assessment of Effectives