Answer:
A. ethnographic research
Explanation:
Ethnographic research: In psychological research, the term "ethnographic research" is described as one of the different qualitative methods in which an investigator or researcher tend to interact or/and observe with different participants associated with a specific study or research in their real or actual life or environmental surroundings. In anthropology, ethnographic research is considered as one of the famous research yet it is being used in a variety of aspects related to social sciences.