Thursday, November 12, 2009

Important Usuability Concepts

User-centered design (UCD)
User-centered design is a design philosophy in which users, their needs, interests and behavior define the foundation of web-site in terms of site structure, navigation and obtaining the information. UCD is considered as a standard approach for modern web-applications, particularly due to the rise of user generated content.
Vigilance (sustained attention)
Vigilance is the ability to sustain attention during prolonged, monotonous tasks such as proofreading a text looking for spelling errors, reminding of appointments, auto-saving word processor documents etc. In modern web-applications vigilance tasks are performed in background, automatically and thus improve the usability of the service.
Walk-Up-And-Use Design
A Walk-up-and-use design is self-explanatory and intuitive, so that first-time or one-time users can use it effectively without any prior introduction or training.

I found these concepts quite interesting regrading ususability and website designing, you can read deatiled material from here

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