Forum to share information, resources and experiences on issues related to the usability and user-centered design. It is the home of the Usability Special Interest Group of the Society for Technical Communication.
Tutorial by Andrew Pae, Technical Coordinator at the ADAPTS Office at Georgia Tech. General design principles plus resources for additional information.
From the Usability Matters Group at the Linköping University in Sweden. Their goal is to make computer systems more usable. The 1995 essay "Perspectives on Usability" by Jonas Löwgren is available for download in PDF format.
Lane Becker writes, "Rather than a validation done once before completing a product... internal, qualitative usability testing [should be] done earlier, more frequently, and as part of the design process - not separate from it."