66. A medicinal study needs to detect a small but clinically meaningful difference between two treatments. What critical implication does this have for the statistical power of the study?

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Accepted Answer

High statistical power (e.g., 80% or 90%) is critically needed.

Answer

High power is not necessary.

Answer

The power should be as low as possible.

Answer

Power is only relevant for large differences.

66. A medicinal study needs to detect a small but clinically meaningful difference between two treatments. What critical implication does this have for the statistical power of the study?

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