Abstract
This chapter describes the costs and benefits associated with a collection of non-empirical methods for evaluating user interfaces, collectively called usability inspection methods. These methods are considered non-empirical because rather than collecting data or observing users interacting with a system, they rely on the ability of judges who attempt to predict the kinds of problems users will experience with a user interface. While on the face of it this may seem to be pure folly, in practice variants of the technique have been demonstrated to be both cost-effective and reliable ways of evaluating usability in some cases. This chapter presents the variety of techniques that fall under the umbrella term of usability inspection. Following this, research reports are reviewed. The chapter presents the considerations for the practitioners considering using one of these techniques.
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