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Fabrizio Benedetti found that _____ injections of placebos were more effective in reducing pain than _____ injections. a. predictable; unpredictable b. visible; hidden c. hidden; visible d. unpredictable;
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Fabrizio Benedetti found that _____ injections of placebos were more effective in reducing pain than _____ injections.

a. predictable; unpredictable
b. visible; hidden
c. hidden; visible
d. unpredictable; predictable

User Oleg Zhylin
by
6.7k points

1 Answer

7 votes
I believe it’s c) Hidden; visible
User James Simm
by
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