What every skeptic should know about subliminal persuasion
Classic research by cognitive and social psychologists suggests that subliminally presented stimuli can be perceived and can influence individuals’ low-level cognitions. More recent investigations suggest that such stimuli can also affect individuals’ high-level cognitive processes, including attitudes, preferences, judgments, and even their behavior.
Epley, N., Savitsky, K., and Kachelski, R. A. (September/October 1999). What every skeptic should know about subliminal persuasion. Skeptical Inquirer, 40-45; 58.