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What are the principles of questionnaire survey?
The principles of the questionnaire survey are as follows:

1. Clear the theme. According to the theme, put forward the topic from the reality, the purpose of the question is clear, the focus is prominent, and there is no unnecessary problem.

2. Reasonable structure and strong logic. The arrangement of questions should have a certain logical order, which conforms to the respondent's thinking program. Generally speaking, it is easy before difficult, simple after complex, concrete after abstract.

3. It's easy to understand. The questionnaire should make the respondents clear at a glance and be willing to answer truthfully. The tone of the questionnaire should be friendly, in line with the understanding and cognitive ability of the respondents, and avoid using technical terms.

4. Control the length of the questionnaire. The time to answer the questionnaire is controlled at about 20 minutes, and no questions are missed.

5. It is convenient for data inspection, collation and statistics. It is convenient to directly see the attitude of the respondent at a glance.

Extended data:

There are two types of questions in the questionnaire: closed questions and open questions.

Open-ended questions, also known as unstructured questions and answers, are freely answered by the respondents in their own language, without providing specific questions for choosing answers.

The answers to closed questions are standardized, and it is easy to code and analyze the answers.

References:

Baidu Encyclopedia-Questionnaire Survey