Significance levels tell us the ______ significance of a study and effect size tells us the _______ of a study.
A) statistical / alpha level
B) practical / beta level
C) practical / statistical significance
D) statistical / practical significance

Question

Quizplus · Accepted Answer

Significance levels (often denoted as alpha levels, α) indicate the probability of observing the data if the null hypothesis is true, thus relating to the statistical significance of the study. Effect size, on the other hand, measures the magnitude of the difference or relationship, providing insight into the practical significance or importance of the findings.

Significance Levels Tell Us the ______ Significance of a Study