1. Literature review/Literature review: Literature review/Literature review mainly summarizes and evaluates previous studies, without data collection. Therefore, the method of using questionnaire is not suitable for this type of paper.
2. Theoretical research: theoretical research focuses on literature review and theoretical discussion, and does not collect information. Therefore, the method of using questionnaire is not suitable for this type of paper.
3. Case analysis: Case analysis is mainly about in-depth research and analysis of a specific individual or event. The method of questionnaire survey is not suitable for this type of test paper, because questionnaire survey usually needs a certain sample size. On the contrary, case studies usually use in-depth interviews, observation and other methods to collect data.
4. Qualitative research: Qualitative research mainly explores people's behaviors, attitudes, beliefs and other subjective feelings and experiences, and the method of using questionnaires is not suitable for this kind of research. On the contrary, qualitative research usually uses in-depth interviews and focus groups to collect data.