Test_Prep
USMLE · Question #522
A placebo-controlled clinical trial is conducted to assess whether a new antihypertensive drug is more effective than standard therapy. A total of 5000 patients with essential hypertension are…
The correct answer is A. Significant findings can be reported with greater confidence. See the full explanation below for the reasoning.
Question
A placebo-controlled clinical trial is conducted to assess whether a new antihypertensive drug is more effective than standard therapy. A total of 5000 patients with essential hypertension are enrolled and randomly assigned to one of two groups: 2500 patients receive the new drug and 2500 patients receive placebo. If the alpha is set at 0.01 instead of 0.05, which of the following is the most likely result?
Options
- ASignificant findings can be reported with greater confidence
- BThe study will have more power
- CThere is a decreased likelihood of a Type II error
- DThere is an increased likelihood of statistically significant findings
- EThere is an increased likelihood of a Type I error
How the community answered
(32 responses)- A78% (25)
- B3% (1)
- C13% (4)
- E6% (2)
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