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

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Q. What should an expert reviewer consider when using previous experimental results for evaluation?

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Q. Why is expertise necessary for using previous experimental results in evaluation?

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Q. Which evaluation style involves conducting tests with users in a controlled environment away from their normal work setting?

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Q. What is a benefit of conducting laboratory studies for usability evaluation?

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Q. In which situations might laboratory observation be the only option for usability evaluation?

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Q. What limitation of laboratory studies can affect the accuracy of observations made during evaluation?

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Q. Which expert-based evaluation approach involves evaluators stepping through a sequence of user actions to identify potential usability problems?

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Q. What is the primary focus of cognitive walkthroughs in terms of user interaction?

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