Item response theory (IRT)focuses on the
A) circumstances that inspired the development of the test.
B) test administration variables.
C) individual items of a test.
D) "how and why" of the Interborough Rapid Transit line.

Question

Quizplus · Accepted Answer

Item response theory (IRT) focuses on the individual items of a test, specifically how well each item contributes to the overall measurement of the construct being measured by the test. IRT provides a way to analyze how test-takers respond to individual items and how those responses relate to the underlying construct being measured.

Item Response Theory (IRT)focuses on the