Multiple Choice
A drug company wanted to test a new arthritis medication. The researchers found 300 adults aged 25-35 andrandomly assigned them to two groups. The first group received the new drug, while the second received aplacebo. After one month of treatment, the percentage of each group whose arthritis symptoms decreased wasrecorded and compared. What type of experimental design is this?
A) completely randomized design
B) randomized block design
C) matched-pairs design
D) single-blind design
Correct Answer:
Verified
Correct Answer:
Verified
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