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OpenStudy (anonymous):

what role does the placebo play in a science expirement?

OpenStudy (dragons1415):

In a science experiment, a placebo acts like a controlled variable. Some people may think that they took the actually thing and their mind accepts the fact that they took (for example) the pill, when they actually took a fake.

rebeccaxhawaii (rebeccaxhawaii):

WELCOME TO OS any ideas?

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