Performing a Power Analysis Allows the Researcher to Calculate the Size

Performing a power analysis allows the researcher to calculate the size needed to achieve an adequate sample. Why is it preferable to calculate this number in the design phase of a quantitative study?

A) Knowing the sample size allows the researcher to strategize how to best obtain adequate participation in the study.
B) Performing a power analysis increases the research's potential for publication.
C) Conducting a power analysis decreases the chance of Type I error.
D) Conducting a power analysis increases effect size.
E) The institutional review paperwork must include a maximum sample size.

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