Question

multiple choice question
the norm of reciprocity is
o the idea that when you make an unreasonably large request people will then agree to smaller request that looks good in comparison.
o the relationship between words and their denotative and connotative meanings.
o the idea that people will comply with requests if they believe that others are also complying.
o the expectation that you will help someone who has helped you in the past

Explanation:

The norm of reciprocity is a social - psychological concept where people feel obligated to return favors. If someone helps you, you are expected to help them in return.

Answer:

the expectation that you will help someone who has helped you in the past