An american traveling abroad observes locals eating chocolate-covered crickets. while she does not partake in this "treat" herself, she does not judge the practice. she is exhibiting:

She is exhibiting cultural relativism.

Explanation:

Cultural relativism can be described as an act of accepting the beliefs, values and cultures of other people and not judging them. Cultural relativism is a belief that all moral values or ethical systems might vary from culture to culture and n understanding that no system is better than the other. Hence, one must not judge the moral, cultural or ethical values of another person.

As the American traveller is not judging the practice, she is exhibiting cultural relativism.