When Analyzing Mean Differences Between Three Samples, Doing All Pairwise $\alpha$

Multiple Choice

When analyzing mean differences between three samples, doing all pairwise independent t tests instead of ANOVA using the same $\alpha$ level

A) decreases the probability of a Type I error.
B) increases the probability of a Type I error.
C) does not change the probability of a Type I error.
D) cannot be determined from the information provided.