Question

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The effect-size is the between group difference divided by a pooled version of the standard deviations of the groups being compared.
Reason (R): Large between group differences and large within group variability result in large effect sizes.
In the light of the above statements, choose the most appropriate answer.

• A. Both (A) and (R) are correct and (R) is the correct explanation of (A)
• B. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
• C. (A) is correct but (R) is not correct
• D. (A) is not correct but (R) is correct

Hint:

Effect size ∝ Mean difference Variability More spread → smaller effect size

Answer 1

The Correct Option is C