Cognitive Walkthrough - Common Mistakes

Common Mistakes

In teaching people to use the walkthrough method, Lewis & Rieman have found that there are two common misunderstandings :

  1. The evaluator doesn't know how to perform the task themself, so they stumble through the interface trying to discover the correct sequence of actions -- and then they evaluate the stumbling process. (The user should identify and perform the optimal action sequence.)
  2. The walkthrough does not test real users on the system. The walkthrough will often identify many more problems than you would find with a single, unique user in a single test session.

Read more about this topic:  Cognitive Walkthrough

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