What limits do anthropological studies of modern societies have as historical sources ?

Answer and Explanation

Anthropology is the study of humans and human behavior and societies in the past and present Social anthropology and cultural anthropology study the norms and values of societies. Linguistic anthropology studies how language affects social life.. The limitations of the anthropological studies of modern societies  are that The total cultural system in any specific case is governed by certain underlying  assumptions, orientations, or controlling mental patterns and The custom-patterns of any culture are learned, which means that they can  also be unlearned or otherwise changed back and be  as usual.

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;