Interview is a common method in scientific research methods, mainly interviewing some front-line teachers and students or personnel of enterprises and institutions.

Don't need too many people, just get to the point. Generally speaking, 10~20 people is enough. The most important thing is to record the content of the interview, so that it can be reflected in your own paper.

Interview survey is also a scientific research method, which can more accurately understand the reality of a certain field. After editing these contents, you can also write them in your graduation thesis.

For graduation thesis, you can also confirm the authenticity of the survey. Of course, the interview survey content should be summarized and put into the paper.