What is the name for the societal "rule" that we should pay back in kind what we receive from others

Question

Quizplus · Accepted Answer

The societal "rule" that we should pay back in kind what we receive from others is called the reciprocity norm. This norm is seen as a way to maintain social harmony and is one of the fundamental principles of social exchange theory. It suggests that people feel a sense of obligation to repay others when they have received help or a favor from them.

What Is the Name for the Societal "Rule" That We