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

The Design Lesson We Should Take Away from “The Dress” – Usability Testing ... - Network World

Google To Use Mobile Usability As A Ranking Factor In Mobile Search Results - Search Engine Journal

LCD screens allow digital watches to retain usability - CMU The Tartan Online

Google will count Mobile Usability as a ranking factor starting April - Geek Snack

What your mobile enterprise apps need: five must-have usability features -

Balancing usability with strong authentication - SecureIDNews

Mixamo gets usability overhaul in 2.0 release - Gamasutra

For Auto Owners, Technology Usability Equates To Dependability - MediaPost Communications

What Is Driving Claims in Healthcare about EHR Usability? -

EHR Usability Challenges for Clinical Decision Support -

  • 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.