In many societies, women are not available to talk to anthropologists
Key informants tend to be men, since in many societies, men travel more.
Male ethnographers may not be permitted to talk to women. Even female anthropologists may be treated as if they were men.
Anthropological theory assumed that male kinship statuses were more important, and hence male informants would know more about society.
Early feminist anthropology sought to draw attention to and redress this bias.