Research in the world is well known to the public as a researcher studying others, generalizing it and announcing it as a theory.
Participant research is a joint research with others while the person himself/herself plays a central role. In analytic philosophy , there is an activity that looks at yourself, and it has a similar style. It is also a kind of qualitative research on people, but the big difference is that the person concerned deals with themselves. Since you take care of yourself, it also leads to improvements in your way of life.
It is also a field that shows how communication should be and how to live in a society where diversity is respected.