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A study funded by the National Center for Complemnetary and Alternative Medicine found that echinacea was not an effective treatment for colds in children. The experiment involved echinacea treatments and placebos, and blinding was used. What is blinding, and why was it important in this experiment?

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Answer: Concealment of a particular group from one or more individuals

Step-by-step explanation:

Blinding is a term used to conceal a particular group from one or more individuals who are involved a clinical study. Blinding is used in this study to evaluate the placebos. This was important in this study because the treatment being done by  echinacea was no being effective. So in order to gain good results and to see the actual results, blinding was done.

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