Answer:
1. This statement is TRUE. The researcher should take time to improve questionnaires so that it will be easier to answer and analyze.
2. This statement is FALSE. For a survey questionnaire to be good, it does not necessarily have to be complex. In fact, it should be simple to avoid confusion and errors.
3. This statement is TRUE. When answering a questionnaire, the researchers might spot errors that they did not realize while constructing it.
4. This statement is FALSE. As much as possible, a questionnaire should only have relevant questions.
5. This statement is TRUE. Everyone has their own set of biases. To get valid and accurate results, however, the questionnaire should have as few of those as possible.
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Explanation:
Check out this definition of questionnaires: https://brainly.ph/question/9928749