Which of the following are determinants of a sample size

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Which of the following are determinants of a sample size for a clinical research trial?

A. Alpha (type 1 error)

B. The power to detect the difference

C. Magnitude of the treatment effect (effect size)

D. All of the above

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Which of the following are determinants of a sample size : which of the following are determinants of a sample size for a clinical research trial?a. alpha type 1 errorb. the

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