- 2 X 2 Contingency Table:

“ . . . the probability of an event occurring given (? ) that another event has already occurred” (Knapp and Miller, 1992).

- True positive:

“ . . . individuals with the condition who are correctly identified as diseased by the new test” (Knapp and Miller, 1992).

- False positive:

“ . . . individuals without the condition who are falsely identified as diseased by the new test” (Knapp and Miller, 1992). This is also referred to as a mis-diagnosis.

- True negative:

“ . . . individuals without the condition who are correctly identified as diseased-free by the new test” (Knapp and Miller, 1992).

- False negative:

“ . . . individuals with the condition who are falsely identified as disease-free by the new test” (Knapp and Miller, 1992). This is also referred to as a missed diagnosis.