Answer:
c. ethnographic data
Explanation:
Ethnographic data is collected in a variety of ways that involve the researcher being embedded in the field in a variety of ways Ethnographers collect data by observing in the field. This includes both structured and unstructured observations, along with participant observations.
A classic example of ethnographic research would be an anthropologist traveling to an island, living within the society on said island for years, and researching its people and culture through a process of sustained observation and participation.
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