Mario gave his friend eric money for lunch last week. eric feels that he owes mario a favor. this is an example of of social expectations.
a. reciprocity norm
b. social-responsibility norm
c. social exchange theory
d. economic altruism

A. reciprocity norm

Explanation:

Reciprocity norm: The term reciprocity norms related to social expectations is defined as the phenomenon of repaying to the things that others have done for us with kindness. It involves the expectations related to another person in response to respond to one's favor with favor and benefiting each other.

In other words, reciprocity norms in social psychology are defined as a social norm in which an individual responds to a positive action with that of other positive action and because of reciprocity, an individual can build continuing exchanges and relationships.

facts: the 14th amendment

the 14th amendment addresses citizenship rights and equal protection of the laws.

the 14th amendment was intended to protect the rights of former slaves after the american civil war.

the 14th amendment was approved by congress in june of 1866 and ratified by the states on july 9, 1868.

the 14th amendment establishes that all persons born in the united states are citizens and are guaranteed all the rights of citizenship.

the 14th amendment establishes that the law protects all citizens equally.

in this case the passage of the 14th amendment   that was violated was the last part in which it states that there is equal protection of the law.

answer; when one group has an extremely high score at pretest;