A researcher was examining the impact of adding powdered vitamin mixes to bottled water on consumers' health. Some study participants, however, received a powder mix that did not contain any vitamins, only the lemonade flavoring used in the vitamin mix. This group received a(n) _____.

Question

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This group received a placebo, which is a fake treatment used as a control group in experiments to test the effectiveness of a treatment. In this case, the placebo was the lemonade-flavored powder mix that did not contain any vitamins.

A Researcher Was Examining the Impact of Adding Powdered Vitamin