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

Question

Quizplus · Accepted Answer

A Type I error occurs when we incorrectly reject the null hypothesis, meaning we conclude there is an effect or difference when in reality there is none.

When Does a Type I Error Occur