Answer:
d. complete participant
Explanation:
This is a fully integrated researcher, as though they were spies. The observer indulges completely with the participants and partakes in their practices. Participants are not aware of the observation and research being carried out, even if they interact fully with the researcher. The aim is to gain a deep understanding and familiarity with some group of people, their values, beliefs and way of life. The focus group is often a subculture of a larger society, such as a religious, professional or specific community group
