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 1.24.What is true of the two sample means?
A) The two sample means overlap 85 percent.
B) The two sample means likely come from the same distribution.
C) The two sample means do not indicate meaningful differences between groups.
D) The two sample means are 1.24 standard deviations apart.

Question

Quizplus · Accepted Answer

The effect size reported by the author is 1.24, which is in terms of standard deviations. Therefore, the two sample means are 1.24 standard deviations apart.

A Study Found Statistically Significant Results for a Hypothesis Tested