Your Friend Is Thinking of Purchasing a Self-Help Weight-Loss CD

Your friend is thinking of purchasing a self-help weight-loss CD that promises its effects through subliminal persuasive messages embedded in the music.What should you tell her research shows about the effectiveness of such programs?

A) Such programs are very effective.
B) Such programs are somewhat effective,depending on the person.
C) No solid evidence exists to support such programs.
D) Subliminal messages work more effectively through visual (DVD) media than audio (CD) media.