199. A randomized controlled trial for a new drug shows a statistically significant benefit. However, the study population was very narrow and unrepresentative of the general patient population. What critical limitation does this impose?
A.
The study was biased.
B.
The generalizability (external validity) of the findings may be limited.
✓
C.
The drug is ineffective.
D.
The study was too expensive.
📖 Additional Information
The study was biased.
The generalizability (external validity) of the findings may be limited.