A researcher can apply two different statistical tests to analyze a given set of

Question

A researcher can apply two different statistical tests to analyze a given set of data, call them Method 1 and Method 2. It is known that Method 1 is more powerful that Method 2. If the same parameters are used to perform sample size calculations (i.e. the same significance level , power , effect size, and standard deviation), indicate which of the following is true.

a. The sample size for Method 1 will be larger than the sample size for Method 2.

b. The sample size for Method 1 will be smaller than the sample size for Method 2.

c. The parameters are the same, so the sample sizes will be the same.

d. There is not enough information to answer this question.

Explanation / Answer

option c is right , since the parameters are same the sample sizes will remain same.

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