Every instructor who has designed his or her own course and taught it has actually conducted two rounds of informal usability tests. For the first round, you were the user, and in the second, your students were. What is usability testing? It is simply a process of observing how users interact with something you have ...

The authors, a working group of architects, product designers, engineers and environmental design researchers, collaborated to establish the following Principles of Universal Design to guide a wide range of design disciplines including environments, products, and communications.