Effect sizes are affected by _____ and _____.
A) large standard deviations; large standard errors
B) standard deviations; variability of population distributions
C) standard errors; variability of population distributions
D) mean differences; variability of population distributions

Question

Quizplus · Accepted Answer

Effect sizes are influenced by the mean differences between groups or conditions, which indicate the magnitude of an effect, and the variability of population distributions, which affects the denominator in many effect size calculations, making variability a key factor in determining the size of an effect.

Effect Sizes Are Affected by _____ and _____

Effect Sizes Are Affected by _ and _