Q. How do automatic protocol analysis tools help evaluators in observational studies?

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Q. What is the primary purpose of using hypertext links in systems like the Workplace project at Xerox PARC?

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Q. What is limitation of data obtained via direct observation?

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Q. What is the primary purpose of a post-task walkthrough?

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Q. Why might a delayed walkthrough be preferred over an immediate one?

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Q. In what situations might a post-task walkthrough be particularly useful?

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Q. What is the main advantage of using a post-task walkthrough?

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Q. What is a key advantage of using query techniques in interface evaluation?

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Q. Which type of query technique involves asking users a set of prepared questions and allowing them to elaborate on their responses?

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Q. What is the primary advantage of using interviews for evaluation?

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Q. How can interviews be structured to ensure consistency and focus during the evaluation process?

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Q. Which of the following is a limitation of using interviews for interface evaluation?

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Q. What is a key advantage of using questionnaires in interface evaluation?

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Q. Which of the following is a limitation of questionnaires compared to interviews for interface evaluation?

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Q. How can questionnaires be useful in interface evaluation?

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Q. Which type of question in a questionnaire asks users to provide their own unprompted opinions or suggestions?

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Q. What type of question in a questionnaire asks users to select their response from a list of predetermined options?

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Q. In a scalar question, what does the numeric scale usually correspond to?

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Q. What is a potential drawback of using a very fine numeric scale, such as 1 to 10, in a scalar question?

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Q. Which type of question is particularly useful for gathering information about a user's previous experience?

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