Table of error types Null hypothesis (H0) is
True False
Decision about
null hypothesis (H0) 		Not reject Correct inference
(True negative)
(p = 1 - α)		 Type II error
(False negative)
(p = β)
Reject Type I error
(False positive)
(p = α) 		Correct inference
(True positive)
(p = 1 - β)