For a two-sample t test, which of the following pairs of values qualify as large effect sizes?
A) 0.80 and 0.90
B) 0.95 and 0.99
C) above 1.96
D) all of the descriptive alternatives are correct.

Question

Quizplus · Accepted Answer

Effect size values of 0.80 and 0.90 are considered large according to Cohen's conventions, and values above 1.96 typically indicate a very strong effect size, especially in the context of standard deviations or z-scores.

For a Two-Sample T Test, Which of the Following Pairs