ANOVA provides a lower probability of a Type I error when compared to multiple t- tests when comparing three or more population means.

Question

Quizplus · Accepted Answer

ANOVA is designed to compare the means of three or more groups simultaneously and controls the overall Type I error rate, whereas conducting multiple t-tests increases the chance of committing a Type I error with each additional comparison.

ANOVA Provides a Lower Probability of a Type I Error