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Business, 24.10.2019 03:00 jacamron

Consumer reports compared the effectiveness of an anti-wrinkle cream with that of a plain moisturizer in reducing the appearance of wrinkles. they enrolled 79 subjects with moderate to marked wrinkles, and instructed them to use both products, one on each side of the face randomly, every morning for 12. the subjects didn't know which products they were using. at the end of the study, panelists examined "before and after" photos of the subjects to assess wrinkle appearance. the panelists did not know which product the subjects had used. which of the following statements is true?

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