Final answer:
C. Is this your first visit to the spa?Option C, asking if it is the first visit to the spa, exemplifies a close-ended question that requires only a 'yes' or 'no' response and is easily quantifiable for research purposes.
Step-by-step explanation:
The best example of a close-ended question among the options given would be C. Is this your first visit to the spa? This question can be answered with a simple "yes" or "no," unlike the other options which require more detailed, subjective responses and therefore exemplify open-ended questions. Close-ended questions often aim to collect factual data and can be easily quantified, which is beneficial for creating statistics or supporting research findings.
The correct answer is option C. "Is this your first visit to the spa?"A close-ended question is a question that can be answered with a simple 'yes' or 'no' or with a specific piece of information. In this case, the question 'Is this your first visit to the spa?' can be answered with a 'yes' or 'no' without requiring any further explanation or open-ended response.