Final answer:
Franz Boas contributed to fieldwork methods in anthropology by advocating for a holistic approach, conducting extensive fieldwork, and emphasizing the importance of cultural diversity and respect.
Step-by-step explanation:
Franz Boas made significant contributions to fieldwork methods in the field of anthropology. He advocated for a holistic approach integrating the four fields of anthropology and conducted extensive fieldwork himself, focusing on the Native peoples of the Northwest coast of North America. Boas believed in obtaining ethnographic information directly from the people being studied, rather than relying on published sources. He also emphasized the importance of understanding and respecting cultural diversity and fought against racist theories that promoted White supremacy.