yawning one by one. In fact, some of the biggest atrocities and victories in history

Week 5: Personality and Social Behavior You may have heard the expression, “yawning is contagious,” meaning someone in a group yawns and you find yourself doing the same. This is an example of social influence and the power of social psychology. As you may have guessed, the effects of social influence are not as simple as a group of people yawning one by one. In fact, some of the biggest atrocities and victories in history could not have occurred without social influences on behavior and thinking.