Evaluation methods and measurement
Introduction
Because no specific guidance exists in technical standards or policies for how to evaluate accessibility, evaluation is one of the most challenging steps for policymakers and developers. Once a developer has built a technology following all the guidelines, how does one evaluate it to make sure it is as accessible as was intended? The interface standards (discussed in Chapter 4) provide technical guidance on design, but not on evaluation. The laws (discussed in Chapters 5 and 6) have broad reach and high-level goals that do not address evaluation. Nor is this treated at present in regulations (discussed in Chapter 7). The evaluation methods (discussed in this chapter) are different from ...
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