The textbook defines as behavior that is motivated by the desire to gain social acceptance and approval. A. normative social influence B. obedience C. informational social influence D. prosocial behavior

Option A=> normative social influence.

Explanation:

The normative social influence is a great aspect in social Psychology and it is the aspect of social Psychology that explain how conformity takes place. When one wants to "gain social acceptance and approval" it means that such person wants to conform to the way of the society.

There is one thing we are to note here and that is normative social influence(option A) and informational social influence(option C) because both brings conformity that is someone accepting to join the society, but the only difference is that informational social influence has to do with other people giving you evidence for you to reason so as to conform, WHILE normative social influence(option A) is about one conforming diye to his or her personal conviction.