Chapter 14: Evaluation Studies: From Controlled to Natural Settings
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The main aims of this chapter are to:
- Explain how to do usability testing.
- Outline the basics of experimental design.
- Describe how to do field studies.
Imagine you have designed a new shared web space intended for advertising second-hand
goods. How would you find out whether householders would be able to use it to find what
they wanted and whether it was a reliable and effective service? What evaluation methods
would you employ?
In this chapter we describe evaluation studies that take place in a spectrum of settings,
from controlled laboratories to natural settings. Within this spectrum we focus on usability
testing which takes place in usability labs; experiments which take place in research labs; and field studies which take place in natural settings such as people’s homes, schools, work, and leisure environments.