Researchers Are Evaluating the Performance Measures of a Novel Newborn

question 469

Multiple Choice

Researchers are evaluating the performance measures of a novel newborn screening test for an autosomal recessive condition that may be performed 24 to 72 hours after birth.  An excerpt of the results is presented below: Which of the following is the most accurate statement regarding these data?

• A)The specificity of the test is greater at 24 hours after birth than at 72 hours after birth
• B)The test is an excellent screening test for the detection of the autosomal recessive condition
• C)The test is less sensitive at 24 hours after birth than at 72 hours after birth
• D)The test performs best when screening newborns without the autosomal recessive condition
• E)The test performs worse at 24 hours after birth than at 72 hours after birth

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Definitions:

Quadratic

Relates to an algebraic expression of the second degree, typically in the form of \(ax^2 + bx + c = 0\), where \(a\), \(b\), and \(c\) are constants.

Scatterplot

A graph that depicts the correlation between two quantitative variables by displaying data points on a Cartesian plane.

Linear Model

A mathematical representation that describes the relationship between one or more independent variables and a dependent variable.

Diameters

A straight line passing from side to side through the center of a body or figure, especially a circle or sphere, representing the longest distance across it.