measures of accuracy of test

Question 1

false positive vs false negative

Answer 1

false positive:
type I error, alpha error

false negative:
type II error, beta error

Question 2

refers to the ability of a test to detect a disease when present

Answer 2

sensitivity

Question 3

refers to the ability of a test to detect a non-disease when no disease is present

Answer 3

specificity

Question 4

indicates the proportion of the subjects with positive test results had the disease

Answer 4

positive predictive value

Question 5

indicates the proportion of the subjects with negative test results did not have the disease.

Answer 5

negative predictive value