A study will be done to investigate the effect of two drugs in lowering blood sugar level. Thirty diabetic patients will be the subjects of this experiment. They will undergo one of the treatments: drug A, drug B, and placebo. How will you design the experiment?
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An experiment is a study designed to compare benefits of an intervention with standard treatments, or no treatment, such as a new drug therapy or prevention program, or to show cause and effect (see Figure 3-2). This type of study is performed prospectively. Subjects are selected from a study population, assigned to the various study groups, and monitored over time to determine the outcomes that occur and are produced by the new drug therapy, treatment, or intervention.
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