In a Clinical Trial,each Participant Will Receive a Placebo,a Low

Essay

In a clinical trial,each participant will receive a placebo,a low dosage of a drug,or a high dosage of the drug.The participants consist of 90 men and 90 women.The 90 men are randomly divided into three groups of 30.Each group of men is randomly assigned to a different treatment (placebo,low dose,or high dose).Likewise,the 90 women are randomly divided into three groups of 30.Each group of women is randomly assigned to a different treatment (placebo,low dose,or high dose).Is this a completely randomized design or a randomized block design? Explain your answer.