Usability Links
usability testing
expert review
contextual inquiry 
The following links to sites can assist you in your pursuit of useful information about usability and user-centered design:
UPA is an organization that promotes usability concepts and techniques worldwide.
This Special Interest Group (SIG) of the Society for Technical Communication is a popular site with many useful resources.
A European Union-funded site to promote usability and user-centered design. It focuses on tools and methods and advocacy.
This National Cancer Institute-funded site was created for the purpose of informing businesses and individuals about designing “usable, useful and accessible Web sites and user interfaces.”
This site presents many links to usability information in a news-release format.
This site presents many links to usability information by most recent, most popular, site name, etc.
This site contains numerous links to sites and subject matter related to Human-Computer Interaction.