UCD for different project types

User-centered design doesn't just apply when writing brand-new applications. It's actually important in each of the following types of projects:

New Applications Evolution of Existing Applications Rewriting the User Interface Selecting a Vendor Application

Among the core activities for ensuring a good, usable human-computer interface are: Audience definition, Task Analysis, Iterative Design, and Usability Validation Tests. User design should be considered through all stages of development including Requirements and Analysis, Design and Development, System Testing.

The second part of the article includes specific ways these activities can be applied to the four different types of projects listed above.