John is a student of sociology. He decides to dress as if he is a homeless person and goes to the local downtown library to "hang out" with the homeless to gather data for a research project. John is using which of these research methods to collect his data?a. comparative research. b. secondary data analysis. c. participant observation. d. quantitative methods.

c) participant observation.

Explanation:

Participant observation is the qualitative research mechanism through which researchers get involved in the research activity along with the participants for studying and observing.It gives comprehensive understanding to researcher.It is usually carried out in field of sociology and anthropology.

According to the question,John is using participant observation as he is becoming a part of research along with homeless people to keenly observe the process and collect data on basis of that.

Other options are incorrect because secondary data analyzation, comparative research and qualitative technique are not used by investigator to become a part of research along with participants.Thus,the correct option is option(c).

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