Ethan Concludes That There Is No Difference in the Driving

Multiple Choice

Ethan concludes that there is no difference in the driving ability of drivers who have consumed one can of beer and those who have consumed three cans of beer. However, there actually is a difference in the driving ability of the drivers. In this case, Ethan has made a(n) _____ error.

A) null
B) alpha
C) Type I
D) Type II