One anthropologist studying the same village at two different times. Anthropology

will always have an easier time on his or her second trip because the people will have learned that the anthropologist is harmless.

would experience two different fieldwork situations, because both the anthropologist and the people under analysis will have changed.

would experience almost identical fieldwork situations if she or he had done good ethnographic research the first time.

will always have a harder time on her or his second trip because the people will have learned how to avoid the anthropologist.