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Use the following information to answer the following question(s) : You wake up one morning feeling slightly under the weather.A close family member enthusiastically suggests that you take some Echinacea, an herb commonly used as a cold remedy.You then decide to design an experiment to test Echinacea and see if this claim is true.You think, "If taken at the beginning of a cold, Echinacea will reduce cold symptoms."
-You decide to test the effects of Echinacea on 100 people who are experiencing similar cold symptoms.Which of the following groups would represent an appropriate control in your experiment?
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