Test result
Real status
Fail to reject H0
(No disease)
Reject H0
(Disease)
H0 is true
(No disease)
Correct decision
TRUE negatives
P=1-
a
Type I error
FALSE positives
P=
a
Ha is true
(Disease)
Type II error
FALSE negatives
P=
b
Correct decision
TRUE positives
P=1-
b
SENSITIVITY