What does the documentary shoot for students' homework?

Documentaries often need to interview people, and it is very important to shoot interviews with people. If the filming is not successful, it will destroy people's life order and even destroy the authenticity of the documentary. How to shoot a character interview to be successful? I think to integrate the interview content and form into life and conform to the reality of documentary shooting, we should start from the following aspects:

According to different interviewees, improve the pertinence of interviews;

According to the characteristics of the interviewee, formulate reasonable interview content;

Master the correct interview principles to improve the effectiveness of the interview;