When performing a single-sample t test, an effect size of 0.80 would be interpreted as a _____ effect.
A) small
B) medium
C) large
D) negligible

Question

Quizplus · Accepted Answer

An effect size of 0.80 is considered a large effect, as it indicates a substantial difference between the sample mean and the population mean. This would be significant in most contexts and would have practical implications.

When Performing a Single-Sample T Test, an Effect Size of 0.80