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How do you measure usability appropriately?

Choosing the correct measures to measure the usability of a system is still difficult. The objective of the workshop is to discuss and define appropriate sets of usability measures, particularly when establishing and evaluating requirements. We will look the best ways to perform these measures in different environments such as the web, software and mobile applications.


Workshop by Nigel Bevan (Professional Usability Services), Lonneke Spinhof (UserPlus), Jeff Sauro (Oracle)
Category:
Methodology
Track:
Advanced Practitioners (AP)
Time:
8:30am to 5:30pm on Monday, June 08, 2009
Position Paper:
download position paper template (RTF)
download presenter's position paper ( RTF)

Note: You may wish to right-click (or control+click on Mac) the download link and choose "Save File As..." to save the file to disk.

Session Details

WORKSHOP DESCRIPTION AND ACTIVITIES

There is an ongoing discussion among practitioners on the most appropriate measures of usability. The objective of the workshop is to discuss and define appropriate sets of usability measures. Being able to express the usability of a system using quantitative measures makes the results of usability tests more convincing. Using adequate measures to express the usability of a system in numbers makes it possible to compare the results of different systems.

The goal of the workshop is to discuss and define a set of appropriate measures to measure usability. To be able to measure usability appropriately we want to address the following topics of discussion:

  1. To what extent can measures predict what will happen in actual use? How many participants are required to make predictions or to evaluate requirements?
  2. Is it useful and practical to use measurement criteria to establish usability requirements?
  3. Which measures are most useful?
  4. What sets of measures can be recommended?
  5. Suggested measurement procedure to maximize the validity and usefulness of the proposed sets of measures

The measures that are most appropriate will depend on many factors including the type of system (for example website, software, or mobile application). During the workshop we will look for practical solutions for the questions above. By discussing them in small groups we will gather different views on these topics. During the plenary session we will combine these different views to define recommended sets of usability measures.

Leading developers of questionnaires and authorities in the field will be invited to initiate the workshop with a short presentation on their views and experience.

We invite usability practitioners who can contribute from their daily experiences to the discussion and to specify a best practice to measure usability of a system, as well as researchers in this area.

Position Paper

Should you choose to register for this session, you will need to complete a position paper. Workshops have limited attendence. In order to select attendees who can best contribute to the discussion, the session presenters will select attendees based on your position paper.

The template contains instructions for filling in the various areas. Provide information about what background and interests you have that are relevant to the session topic.

Save the form in Word or RTF format with a filename that has your last name followed by ”_position_paper”. For example, Smith_position_paper.rtf.

Position Paper:
download position paper template ( RTF)
Note: You may wish to right-click (or control+click on Mac) the download link and choose "Save File As..." to save the file to disk.

The due date for the Position Paper is May 4, 2009.

Please send your completed document to the session leader identified via email when you registered.

The session leader will notify you of your acceptance status to the workshop and then the registration office, will complete the registration process.

If you are not accepted, you will be able to register for a tutorial. For instance, if you registered during our Early Registration period but were not accepted to the workshop, you could register for any open Tutorial paying the Early Registration price.

If you have questions about this, please contact conf2009@usabilityprofessionals.org.