Q. How can information about the severity of a usability problem help designers?

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Q. What is the role of standard evaluation forms in a cognitive walkthrough?

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Q. What is a heuristic in the context of heuristic evaluation?

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Q. What is the primary purpose of heuristic evaluation?

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Q. What does Nielsen's recommendation suggest about the number of evaluators for heuristic evaluation?

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Q. How are the severity ratings of usability problems determined in heuristic evaluation?

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Q. Which severity rating implies the highest urgency for fixing a usability problem in heuristic evaluation?

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Q. Which heuristic emphasizes the importance of keeping users informed about the system's operations in a timely manner?

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Q. According to Nielsen's heuristic for "Match between system and the real world," how should the system communicate with the user?

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Q. What is the purpose of providing an "emergency exit" in a system, as per Nielsen's heuristics?

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Q. Nielsen's heuristic of "Flexibility and efficiency of use" suggests allowing users to:

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Q. In the context of Nielsen's heuristics, what is the purpose of "aesthetic and minimalist design"?

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Q. What is the recommended approach for expressing error messages, according to Nielsen's heuristics?

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Q. Which heuristic suggests that help and documentation should be focused on the user's task and easy to search?

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Q. After independent evaluations in heuristic evaluation, what is the next step in the process?

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Q. What is the GOMS model used for in evaluation?

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Q. What is the purpose of using the keystroke-level model in evaluation?

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Q. How does design rationale contribute to evaluation during the design stage?

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Q. Which type of models can be used to evaluate dialog sequences for problems?

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Q. What is the purpose of using previous experimental results in evaluation?

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