18. A small pilot study is run to compare a new drug for chronic pain to one tha
ID: 3388788 • Letter: 1
Question
18. A small pilot study is run to compare a new drug for chronic pain to one that is currently available. Participants are randomly assigned to receive either the new drug or the currently available drug, and report improvement in pain on a 5-point ordinal scale: 1=Pain is much worse, 2=Pain is slightly worse, 3= No change, 4=Pain improved slightly, 5=Pain much improved. Is there a significant difference in self-reported improvement in pain? Use the Mann-Whitney U test with a 5 percent level of significance. New Drug: 4 5 3 3 4 2 Standard Drug: 2 3 4 1 2 3
Explanation / Answer
18. A small pilot study is run to compare a new drug for chronic pain to one tha
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.