Among the choices, participating in a science club after school is the only activity that is not considered an extra-curricular because it still falls under the normal scope of the school curriculum even when the activity is done after class hours.
He payed his citizens if they participated in the jury services and any other civic duties
Answer:
Norm of reciprocity
Explanation:
The norm of reciprocity, also known as the rule of reciprocity is a social norm that leads us to reward behaviors from people that have been helpful to us. It compels people to return favors when they think they have been helped. This social norm in some cases leads to people wanting to ensure that a negative behavior shown towards them is punished.