2. 外语
  3. Choose TWO letters A-E. What TWO disadvantages of the questionnaire form of data collection do the students discuss? A The data

Choose TWO letters A-E. What TWO disadvantages of the questionnaire form of data collection do the students discuss? A The data

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问题 Choose TWO letters A-E.
What TWO disadvantages of the questionnaire form of data collection do the students discuss?
A The data is sometimes invalid.
B Too few people may respond.
C It is less likely to reveal the unexpected.
D It can only be used with literate populations.
E There is a delay between the distribution and return of questionnaires.
选项
答案B
解析
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