When does a Type II error occur?
A) When we fail to detect an effect that does, in fact, exist
B) When we fail to fully counter balance the experimental design
C) When we erroneously conclude there is an effect where in fact there is none
D) When we detect an effect that does exist

Question

Quizplus · Accepted Answer

A Type II error occurs when we fail to detect an effect that does, in fact, exist, meaning we incorrectly accept the null hypothesis when it should be rejected.

When Does a Type II Error Occur