A study found statistically significant results for a hypothesis tested with an independent-samples t test.The author of the study reported her effect size for the test as 0.18.According to Cohen's convention, this effect size is considered:
A) small.
B) medium.
C) large.
D) to have no overlap.

Question

Quizplus · Accepted Answer

According to Cohen's convention, an effect size of 0.2 is considered small. Therefore, an effect size of 0.18 is even smaller, falling within the small effect size category.

A Study Found Statistically Significant Results for a Hypothesis Tested