Usability Evaluation

There are generally three types of usability evaluation methods: Testing, Inspection, and Inquiry.

In Usability Testing approach, representative users work on typical tasks using the system (or the prototype) and the evaluators use the results to see how the user interface supports the users to do their tasks. Testing methods include the following:

In Usability Inspection approach, usability specialists -- and sometimes software developers, users and other professionals -- examine usability-related aspects of a user interface. Commonly used Inspection methods are:

Here, usability evaluators obtain information about users' likes, dislikes, needs, and understanding of the system by talking to them, observing them using the system in real work (not for the purpose of usability testing), or letting them answer questions verbally or in written form. Inquiry methods include:

Ask usability advisor about recommendations for usability evaluation methods for your project needs.

Extra: find a usability expert near you!

Usability Evaluation & Software Development Cycle. See how different usability evaluation methods can be used at different stages of software development life-cycle.

Cost of Usability Evaluation Methods
Find out how much it costs to run these usability evaluations.
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Google News on Usability

Health IT Trends: Improvements needed in EHR usability, usefulness for pediatrics - AAP News

Microsoft Updates Office Apps With 'Quick Access Commands' And Other Usability Features - Android Police

Integration and usability raise the bar for BPM - KMWorld Magazine

Brenda O'Farrell: Parking at new train stations will be key to system's usability - Montreal Gazette

Is Your Website's Usability Holding You Down? - Entrepreneur

First Clinical Software Usability Survey reaches milestone - Digital Health

10 Improvements That Will Boost Your Website's Usability - Business 2 Community

How Patient Demographics Affect mHealth Tool Usability -

Top 5 Website Usability Fixes - Business 2 Community

6 Website Usability Issues That Foil Your Inbound Efforts - Business 2 Community

  • This Web site was originally developed when I was a summer intern at the Human Factors group of US WEST, with the help of Pawan Vora.
  • The way to classify usability evaluation methods into testing, inspection, and inquiry, and the description of some techniques, are borrowed and used with permission from the Usability Methods Toolbox by Mr. James Hom.