A public service ad on television shows a young boy resisting the attempts of someone off-camera to persuade him to accept drugs. The boy resists each and every enticement (e.g., "It'll make you fly!" or "Come on, this one's free!"). The camera then pans back, and the boy's father hugs him and says, "Good job, son!" This ad illustrates the use of ________ to increase resistance to attitude change. psychological reactance priming fear appeals attitude inoculation