It is important to think about power because
A) everyone uses it.
B) we don't want to run experiments that have little chance of finding something.
C) it is likely to guarantee successful studies.
D) none of the above

Question

Quizplus · Accepted Answer

Power in the context of statistical analysis refers to the likelihood that a study will detect an effect when there is an effect there to be detected. It's crucial to consider power to avoid running studies that are unlikely to yield meaningful results due to insufficient sample size or effect size, hence option B is correct. Power does not guarantee successful studies, nor is it something that "everyone uses" in a direct sense, making options A and C incorrect.

It Is Important to Think About Power Because