Cognitive walkthrough is one of the usability inspection methods. Cognitive walkthrough involves one or a group of evaluators inspecting a user interface. In cognitive walkthrough, the evaluators go through a set of tasks and evaluate its understandability and ease of learning.
The user interface is often presented in the (a) form of a paper mock-up, (b) a working prototype, (c) a fully developed interface.
The input to the walkthrough also include the user profile, especially the users' knowledge of the task domain and of the interface, and the task cases.
The evaluators may include web designers, webmasters, human factors engineers, software developers, marketeer, etc.
Jakob Nielsen has written numerous articles on usability inspection, heuristic evaluation and cognitive walkthrough.
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