March 19, 2002 Internet Librarian International Darlene Fichter Data Coordinator, University of...

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Transcript of March 19, 2002 Internet Librarian International Darlene Fichter Data Coordinator, University of...

Usable Web Sites Designing to Delight Usershttp://library.usask.ca/~fichter/
Usability Testing
*
*Overview
*
Do you feel loyal?
*Overview
Read, learn, look it up!
Many great sites:
User scenarios
Describe in detail “typical user’s” journey through the “ideal” library site
User Needs
User Needs
Cognitive walkthrough
Simulate a user’s problem-solving process as they step through the site
Can the user make the next correct action?
User Needs
SERIOUS
User Needs
Test to see if site follows established usability principles
*Heuristic Evaluation by Jakob Neilson
*Usability Heuristics for the Web by Keith Instone
Heuristic Evaluation
Evaluators try to identify as many problems as possible
Rate the problems by their severity (1-5) and indicate which heuristic has been violated
Heuristic Evaluation
Verbalize their thoughts
Observe, record,
and debrief
User satisfaction (subjective)
Other measures: What the user can recall about the site or if they can manoeuvre easily on the screen space.
Testing
Idea popularized by Jakob Nielsen
Showed that simple “low tech” testing of five users could yield excellent results
5 users will typically uncover 80%
of the site-level usability problems
Testing
Cost of User Testing a Website
*
Find out what kind of mental model the users have
Useful for intranet designs and extranet designs that are intended to support employees' or business partners' work practice
Field Studies
Self referential design
Avoid web team “battles”
Conclusion
Resources