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 is the ability of a study to detect a statistically significant difference between the groups when such a difference actually exists. It is influenced by factors such as sample size, effect size, and alpha level. A study with high power can be more confident in its results than a study with low power. The other options listed are important concepts in research, but they do not specifically relate to the ability to detect a significant difference.

The Ability for a Study to Reveal a Statistically Significant