1) A new screening test is developed for depression. Among the 50 people found to be depressed according to the gold standard, 35 people were positive for the test. Among 150 people found not to be depressed according to the gold standard, 30 people were found to be positive for the test. What is the sensitivity and specificity, respectively?

2) To test a newly available test, the hospital tested 80 known cases of the disease for which the test was designed, and on 100 controls known to be free of the disease. 40 cases and 20 controls are positive for the test. Based on these data, the sensitivity and false negative rates of the test are, respectively,

3) If the results of a measure agree with a known standard, the measure is said to be:

A.Valid

B.Reliable

C.Accurate

D.Precise