1. Fear of rejection – people don't want to be judged or left out by the group.
Desire to fit in – conforming to the majority makes people feel accepted and part of the group.
Doubt about one's own judgment – if everyone else agrees, a person might think they are wrong.
2. The teacher gave the class a multiple-choice question. Initially, I intended to answer A, but seeing that more than half the class chose B, I changed it to B.