Mathematics for IGCSE & O level - Categorical, Numerical And Grouped Data (Section 5 - No. 23)
What should you consider when designing a questionnaire?
Clear and concise questions.
Neither too many nor too few answers
That you should ask leading questions.
That the questions must be easy.
Explanation
When designing a questionnaire, you have to make sure that the questions are clear and there should be neither too many nor too few answers.
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