10. A study is performed to compare several different pain reducing medications
ID: 3134638 • Letter: 1
Question
10. A study is performed to compare several different pain reducing medications for the treatment of migraine headaches. The drugs tested are: Placebo, Tylenol, Excedrin, Imitrex. Four hundred migraine sufferers were recruited for the study and they were randomly assigned to one of the four groups and were given unmarked tablets to take when they had a migraine. The effectiveness of pain relief was documented with a survey and compared between groups. Which statistical test should be used to compare the pain relief effectiveness between the four groups? a. Independent t-test b. Dependent t-test c. One way ANOVA d. Repeated measures ANOVA
Explanation / Answer
As there are 4 independent groups here [it must NOT be t test, but ANOVA], and just one independent variable (type of drug) we use
OPTION C: ONE WAY ANOVA [ANSWER]
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.