For those interested in evaluating mobile apps:
http://www.mhimss.org/sites/default/files/resource-media/pdf/mHIMSSguidetoappusability_0.pdf
Selecting a Mobile App: Evaluating the Usability of Medical Applications
mHIMSS App Usability Work Group
July 2012
includes a couple of usability questionnaires and case scenarios that might be useful.
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