It is generally recommended that an effect size (E.S.) be of what magnitude before concluding that a difference in means is important?
A) .25
B) .50
C) 1.00
D) 2.00

Question

Quizplus · Accepted Answer

An effect size of .50 is generally considered a medium effect size, which is often used as a benchmark for determining practical significance in many fields. This means that the difference in means is large enough to be considered important or meaningful.

It Is Generally Recommended That an Effect Size (E