A researcher reports: 'Among patients given the new drug, 70% showed improvement. Among patients given a placebo, 65% showed improvement.' What is the most accurate interpretation of these results?
-
A
The drug is highly effective at treating the condition.
-
B
The drug shows only a modest benefit over placebo.
-
C
The placebo effect explains all patient improvement.
-
D
The study proves the drug should be approved.