A New Pain Medication Is Being Tested

question 15

Multiple Choice

A new pain medication is being tested. One group receives a placebo and another group receives the medication. After two weeks, both groups rate their level of pain. Which of the following should be used to analyze the data?

• A) Mann-Whitney test
• B) Wilcoxon matched-pairs signed-ranks test
• C) Kruskal-Wallis test
• D) Spearman test

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