Multiple Choice
Explain the Completely Randomized Design
-A drug company wanted to test a new depression medication. The researchers found 700 adults aged 25-35 and randomly assigned them to two groups. The first group received the new drug, while the second received a placebo. After one month of treatment, the percentage of each group whose depression symptoms decreased was recorded and compared. Identify the experimental units.
A) the 700 adults aged 25-35
B) the percentage who had decreased depression symptoms
C) the drug (medication or placebo)
D) the one month treatment time
Correct Answer:
Verified
Correct Answer:
Verified
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