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Subliminal messages - do they really work? Featured science projectScience project video

Conclusion

The hypothesis that  persons exposed to  subliminal messages will more likely respond according to the information contained in the messages is proven to be true.

The use of subliminal messaging is still a very controversial subject. In the 1950s when the use of such messaging came to light, there was fear amongst the public, of mass brainwashing, until the 1970s when its use in advertising was banned. Even today, when we watch a movie or a program on television, could well be messages that are being pushed to us in the background. Intentionally or not, our subconscious minds are still being bombarded with messages that our conscious minds may not agree with.
 

References

http://www.wisegeek.com/what-are-subliminal-messages.htm

http://en.wikipedia.org/wiki/Subliminal_stimuli

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Complexity level:
9
Project cost ($):
25
Time required:
2 hour to prepare, 6 days for observation
Material availability:
participants who have their own stereo sound systems with CD players, or iPods (or equivalent MP3 players) required. An MP3 recorder/player with sufficient memory storage or alternatively, you can use your home PC, with a microphone and soundcard.
Safety concerns:

None