1 Ask questions first, through thinking in life or pain points in life. Answering this question from all directions is the author's own feeling.
2. Then we need to know that there are these research methods, and then the author can use investigation, action research, comparative research, case study, experience summary and literature research according to his own research topics.
3, and then to understand how these methods are used, step by step according to the use of data collection, experiments, conclusions and so on.
If you have a goal and a question, record it in the experiment and write it out in your own words.