A professor is not going to wear a nightgown to her classroom because this violates the social norms of the classroom setting. According to Erving Goffman, this professor is engaging in .

impression management

Explanation:

Erving Goffman is a sociologist most famous for his theory of social interaction through a symbolic point of view. In this theory, he compares individuals to an overall theater play. Under this theory, it can be said that the professor in this situation is engaging in impression management, meaning that he is concerned about presenting himself in a certain way in order to leave a very distinct impression in the minds of those that see him. This is done in order to control the way that society itself sees that individual, which in this case is the professor.

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.