1. There are more advantages than disadvantages for questionnaires.
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2. Compared to questionnaires, face-to-face interviews are more expensive for collecting data from a large number of respondents.
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3. Questionnaires are easy to analyze with the help of computer software.
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4. It's difficult for everyone to respond to questionnaires.
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5. The respondent is usually the same person you sent the questionnaire to.
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