EPID 309 week 13 quiz
The ability of a measuring instrument to give consistent results in repeated trials is
known as:
A. Reliability
B. Sensitivity
C. Specificity
D. Predictively - answerA. Reliability
Selective screening involves the screening test to which of the following?
A. Selection criteria do not involve the risk level of the individual
B. People with the disease
C. Low risk groups
D. High risk groups - answerD. High risk groups
A new screening tool is better able to identify people without the disease. This test likely
has higher ________ than the previously used tool.
A. Specificity
B. Negative predictive value
C. Positive predictive value
D. Sensitivity - answerA. Specificity
The ability to identify a case as a case is known as:
A. Negative predictive value
B. Sensitivity
C. Specificity
D. Positive predictive value - answerB. Sensitivity
A new screening test is developed which has a greater sensitivity than the previous
"gold standard" test for breast cancer among women. If nothing else changes,
A. The number of women with abnormal cells present will increase because the test is
picking up more of them
B. The number of women without abnormal cells present will increase because the test
is better at discerning those without the disease (true negatives)
C. The PPV should increase because more of the people with the disease (true
positives) will be correctly identified, thus more of the positive tests will actually be
positive individuals
The ability of a measuring instrument to give consistent results in repeated trials is
known as:
A. Reliability
B. Sensitivity
C. Specificity
D. Predictively - answerA. Reliability
Selective screening involves the screening test to which of the following?
A. Selection criteria do not involve the risk level of the individual
B. People with the disease
C. Low risk groups
D. High risk groups - answerD. High risk groups
A new screening tool is better able to identify people without the disease. This test likely
has higher ________ than the previously used tool.
A. Specificity
B. Negative predictive value
C. Positive predictive value
D. Sensitivity - answerA. Specificity
The ability to identify a case as a case is known as:
A. Negative predictive value
B. Sensitivity
C. Specificity
D. Positive predictive value - answerB. Sensitivity
A new screening test is developed which has a greater sensitivity than the previous
"gold standard" test for breast cancer among women. If nothing else changes,
A. The number of women with abnormal cells present will increase because the test is
picking up more of them
B. The number of women without abnormal cells present will increase because the test
is better at discerning those without the disease (true negatives)
C. The PPV should increase because more of the people with the disease (true
positives) will be correctly identified, thus more of the positive tests will actually be
positive individuals
