An effect size is:

Question

An effect size is:

Quizplus · Accepted Answer

An effect size is a standardized metric that is typically expressed in standard deviation units or correlations. It reflects the size or strength of an observed effect or relationship, and is commonly used in research to compare the magnitude of different effects or to determine the practical significance of a particular finding. Option A is incorrect because an effect size is typically standardized, rather than unstandardized. Option C is incorrect because it refers to an outcome measure rather than an effect size. Option D is incorrect because it refers to therapist behavior rather than a statistical measure.

An Effect Size Is