The ability for a study to reveal a statistically significant difference between the levels of an independent variable when one truly exists is known as:
A)covariance.
B)power.
C)effect size.
D)statistical validity.

Question

Quizplus · Accepted Answer

Power refers to the ability of a study to accurately detect a significant difference between the levels of an independent variable. Therefore, option B is the correct answer. Covariance indicates the degree to which two variables are related to each other, effect size shows the magnitude of the difference between the groups, and statistical validity refers to the accuracy of the statistical methods used in a study.

The Ability for a Study to Reveal a Statistically Significant