Cultural rules that govern which nonverbal behaviors are appropriate and which are inappropriate in a public setting are called rules.

The correct answer is display rules

Paul Ekman and Wallace Frisen, studied the behavior of indigenous people who had not had contact with other civilizations, resulting in cross cultural (neuro-cultural) research that considers innate emotional facial expressions, as well as display rules. display) that act as leveling filters, are based on the group they are in.

i am confused, what is the question? i can you out if you put it into more depth.