The CHN Can Enhance the Sensitivity and Specificity of a Test

question 9

Multiple Choice

The CHN can enhance the sensitivity and specificity of a test by using its predictive value. Which one of the following best defines positive predictive value?

• A) The proportion of persons with a negative test who are actually disease-free
• B) The variation inherent in the trait being measured
• C) Any inconsistency in the testing instrument
• D) The proportion of persons with a positive test who actually have the disease

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Definitions:

Avoidable Interest

Interest cost on funds expended on a qualifying asset that could be avoided if the expenditure had not been made.

Economic Benefit

The gain received from a product or service, often measured in terms of increased utility or revenue, minus associated costs.

R&D Costs

Expenses incurred during the research and development phase aimed at producing new products or processes.

GAAP

Generally Accepted Accounting Principles, a framework of accounting standards, principles, and procedures used in the United States.