A new study from the University of Kent and the University of Adelaide lends credence to the old adage—there is no tyranny like petty tyranny. From four different experiments that included nearly 500 participants, researchers found that spite, revenge, and other acts of aggression are responses usually exhibited by those who were new to the possession of power. Those who were more experienced holding a leadership position tended to feel more self-assured and therefore felt less vulnerable to perceived threats. They say this research shows a better understanding of the relationship between power andrevenge and that power isn’t simply good or bad. It affects people in different ways.