In the development of a new drug by a pharmaceutical company,the researcher must ensure that the participants in experimental drug studies do not have unrealistic expectations of the new drug's usefulness.What will the researcher include in the design of the study to prevent bias that may occur?

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To prevent bias that may occur as a result of unrealistic expectations of an investigational new drug,a placebo will be incorporated into the study.Health Canada approval,if given,does not be obtained until after phase III of the study.Informed consent is required in all drug studies.Efficacy information is not determined until the study is under way.

In the Development of a New Drug by a Pharmaceutical