Q. Why is it important to conduct a pilot study for a questionnaire before distributing it to a larger user population?

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Q. What is the typical return rate for questionnaires distributed to users?

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Q. How can questionnaires be distributed to potential respondents via the internet?

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Q. How can the level of representativeness of questionnaire respondents be determined?

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Q. What is the main advantage of using eye tracking for usability evaluation?

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Q. How have recent advancements in eye tracking technology made it more suitable for usability testing?

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Q. Which of the following measurements related to eye movement can provide insights into users' interaction with an interface?

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Q. What is a "scan path" in the context of eye tracking?

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Q. What is a potential limitation of using eye tracking for usability evaluation?

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Q. What are some physiological changes that can be measured to determine a user's emotional response to an interface?

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Q. What is the primary purpose of measuring physiological responses in usability evaluation?

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Q. Which physiological measurement is associated with indicating levels of arousal and mental effort?

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Q. How might physiological measurements help determine user reactions to specific interaction events?

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Q. What is a challenge in applying physiological measurements to interaction events?

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Q. What is the key distinction between evaluating a design and evaluating an implementation?

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Q. What is the advantage of early evaluation during the design process?

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Q. Which evaluation technique is primarily focused on expert analysis and is suitable for early design stages?

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Q. When is evaluation of an implementation most beneficial?

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Q. What is a drawback of late evaluations in the design process?

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Q. What is a key advantage of laboratory studies in usability evaluation?

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