Chapter 11
User Differentiation
Keywords
Flexible role assignment, fixed role definition, identify, differentiated, modalities of
Know thy user, for they are not YOU.
—Ancient usability proverb
Description
The classic dictum in HCI, “know your users,” has broader implications than is generally realized. Users don’t exist in isolation. They live and work in contexts. They have roles, responsibilities, and tasks. All these elements—users themselves, their contexts, their responsibilities, and their goals—shape both the design possibilities and constraints of not only applications but also the rendering of any new interface paradigm.
Application to NUI
Working from our definition of the NUI, we can see that it means different things to different ...
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