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We present a detailed case study, drawn from many information sources, of a computer scientist learning and using Cognitive Walkthroughs to assess a multi-media authoring tool. This study results in several clear messages to both system designers and to developers of evaluation techniques: this technique is currenlty learnable and usable, but there are several areas where further methoddevelopment would greatly contribute to a designer's use of the technique. In addition, the emergent picture of the process this evaluator went through to produce his analysis sets realistic expectations for other novice evaluators who contemplate learning and using Cognitive Walkthroughs.
John et al. (Sun,) studied this question.