Chapter 6. VUI Prototyping and Usability Testing


UCD Front-End Work

Project Task Analysis

Early Prototype—Application Flow Diagram

VUI Script—an Intermediate Level Prototype

VoiceXML Code Prototype


Previous chapters provided an introduction to Voice User Interfaces (VUIs) implemented with VoiceXML and an overview of VUI design. This chapter provides explanations and examples that demonstrate how you can prototype your application and assess and test its usability at different levels of completeness.

Attention to designing, prototyping, assessing, and testing your application helps ensure that the application is easy to use and that it enables tasks your users want to do via their telephones. It also helps ensure ...

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