Which of the following choices refers to the data between the probability of a positive test result given the presence of the disease and the probability of a positive test result given the absence of the disease? A. Negative likelihood ratio B. Negative predictive value C. Positive likelihood ratio D. Positive predictive value 29. Which of the following choices refers to the amount of time that a diagnosis is advanced by screening? A. Lead time bias B. Length bias sampling C. Survival rate D. Survival time 30. A point on a continuum that extends from clearly normal results (for healthy people) to abnormal results (for people who have preclinical disease) is called _____. A. Bias index B. Criterion of positivity C. Predictive value D. Source of test errors 31. The reliability of a test is the ability to give the same result on repeated testing. Reliability is influenced by which of the following? A. All of the options B. Interobserver and intraobserver agreement among the analysts conducting the test C. The stability of the physiological state being measured D. The technical characteristics of the test method
28. Which of the following choices refers to the data between the probability of a positive test result given
the presence of the disease and the probability of a positive test result given the absence of the disease?
A. Negative likelihood ratio
B. Negative predictive value
C. Positive likelihood ratio
D. Positive predictive value
29. Which of the following choices refers to the amount of time that a diagnosis is advanced by screening?
A. Lead time bias
B. Length bias sampling
C. Survival rate
D. Survival time
30. A point on a continuum that extends from clearly normal results (for healthy people) to abnormal results (for
people who have preclinical disease) is called _____.
A. Bias index
B. Criterion of positivity
C. Predictive value
D. Source of test errors
31. The reliability of a test is the ability to give the same result on repeated testing. Reliability is influenced by
which of the following?
A. All of the options
B. Interobserver and intraobserver agreement among the analysts conducting the test
C. The stability of the physiological state being measured
D. The technical characteristics of the test method
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