The specificity of a new screening test is 73%. This means that: Question 14 opt

Question

The specificity of a new screening test is 73%. This means that:

Question 14 options:

Of all subjects tested for a disease using the screening test, 73% got negative test results.

Of all subjects tested for a disease using the screening test, 73% do not have the disease.

Among people who truly do not have the disease, 73% were correctly identified as such by the screening test.

Of all of those who tested negative on a screening test, 73% truly do not have the disease.

73% of those tested using the screening test have the disease in question.

A)

Of all subjects tested for a disease using the screening test, 73% got negative test results.

B)

Of all subjects tested for a disease using the screening test, 73% do not have the disease.

C)

Among people who truly do not have the disease, 73% were correctly identified as such by the screening test.

D)

Of all of those who tested negative on a screening test, 73% truly do not have the disease.

E)

73% of those tested using the screening test have the disease in question.

Explanation / Answer

The specificity is the ability of the test to correctly identify those without the disease . Thus

Among people who truly do not have the disease, 73% were correctly identified as such by the screening test.

C)

Among people who truly do not have the disease, 73% were correctly identified as such by the screening test.

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