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NBME 20 Answers

nbme20/Block 3/Question#14

During a clinical study, an investigator tests a ...

Increase the sample size

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You are aiming to increase power and you can do so by increasing sample size (reduce B error).

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submitted by smpate(2),

From FA 2018 p. 258... Increase power and decrease beta (error) by increasing: + sample size + expected effect size + precision of measurement