A power analysis is often used to determine
A)the number of participants needed for a study.
B)the likelihood of making a Type I error.
C)the strength of the independent variable.
D)whether to reject the null hypothesis.

Question

Quizplus · Accepted Answer

A power analysis is primarily used to calculate the sample size required to detect an effect of a given size with a certain degree of confidence, thus determining the number of participants needed for a study.

A Power Analysis Is Often Used to Determine