Question

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

a.

They allow for deep probing and follow-up questions.

b.

They provide flexibility in question formulation.

c.

They are time-efficient and can reach a wider participant group.

d.

They require direct interaction between the evaluator and the user.

Posted under Human Computer Interaction

Answer: (c).They are time-efficient and can reach a wider participant group. Explanation:A key advantage of using questionnaires in interface evaluation is that they are time-efficient and can reach a wider participant group. Questionnaires can be administered to a larger number of participants without the need for direct interaction.

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