Gaslighting is a manipulation tactic used to gain power. And it works too well. Posted Jan 22, 2017 Stephanie Sarkis Ph.D.Here, There, and Everywhere Gaslighting is a tactic in which a person or entity, in order to gain more power, makes a victim question their reality. It works much better than you may think. Anyone is susceptible to gaslighting, and it is a common...