Which of the Following Statements About Screening Tests Are Correct

question 8

Multiple Choice

Which of the following statements about screening tests are correct? (Select all that apply)

• A)The sensitivity of a test is the proportion of all persons who have the disease who test positive
• B)The predictive value of a negative test (or negative predictive value, NPV) is not affected by the sensitivity of the test
• C)The prevalence of the disease of interest does not affect the accuracy of a screening test
• D)The prevalence of the disease of interest does not affect the performance of a screening test
• E)The specificity of a test is the proportion of all those who do not have the disease who test positive
• F)Across‐sectionalsurveyisthebeststudydesigntoassesstestaccuracy

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Definitions:

Feasibility Study

An assessment of the practicality and potential success of a proposed project or business, analyzing variables such as cost, risk, and benefits.

Action

A process or act of doing something, usually to achieve an intended outcome or goal.

Detailed Financial Projections

Comprehensive forecasts about a company’s future financial status and performance over a period of time.

Entrepreneurial Activities

Actions aimed at initiating, designing, launching, and running a new business or enterprise, often in the face of financial risk.