The probability of making a Type II error increases when the:
A)significance level is set very high.
B)effect size is small.
C)sample size is large.
D)probability of a Type I error is high.

Question

Quizplus · Accepted Answer

The probability of making a Type II error increases when the effect size is small. This is because a small effect size means that it is more difficult to detect a significant difference between the groups, increasing the likelihood of a false negative result.

The Probability of Making a Type II Error Increases When