Looking at the Item-Characteristic Curve (Below),a Reasonable Conclusion About the Performance

question 17

Multiple Choice

Looking at the item-characteristic curve (below) ,a reasonable conclusion about the performance of the item illustrated would be that

• A) as theta increases, the probability of a response scored correct increases.
• B) as theta decreases, the probability of a response scored correct increases.
• C) as theta increases, the probability of a response scored correct decreases.
• D) None of these

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Definitions:

Radiometric Dating

A technique used to date materials such as rocks or carbon, by measuring the decay rate of radioactive isotopes contained within those materials.

K-Pg Boundary

A geological signature marking the transition between the Cretaceous (K) and Paleogene (Pg) periods, approximately 66 million years ago, associated with the mass extinction event that included the demise of the dinosaurs.

Cretaceous Period

A geological period from about 145 to 66 million years ago, known for being the last portion of the age of dinosaurs.

Tectonic Plates

Massive, irregularly shaped slabs of solid rock composing the Earth's lithosphere, whose movements cause earthquakes, volcanic eruptions, and the formation of mountains.