What element is usually manipulated by the researcher to achieve a specified amount of power in an ANOVA?
A) The actual falsity of the null hypothesis
B) The number of subjects
C) The alpha level
D) The error variance

Question

Quizplus · Accepted Answer

The number of subjects is usually manipulated by the researcher to achieve a specified amount of power in an ANOVA, as increasing the sample size generally increases the power of the test.

What Element Is Usually Manipulated by the Researcher to Achieve