A study is being conducted to assess how effective a new mouthwash is at preventing dental caries. The makers of the mouthwash recommend swishing 15 mL of the mouthwash for 30 seconds for optimal results. The control group would MOST LIKELY be given

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A study is being conducted to assess how effective a new mouthwash is at preventing dental caries. The makers of the mouthwash recommend swishing 15 mL of the mouthwash for 30 seconds for optimal results. The control group would MOST LIKELY be given