The probabilistic relationship between a testtaker's response to a test item and that testtaker's level on the latent construct being measured by the test is expressed in graphic form by
A) an item characteristic curve.
B) an item response curve.
C) an item trace line.
D) All of these

Question

Quizplus · Accepted Answer

All of these terms (item characteristic curve, item response curve, and item trace line) refer to the graphical representation of the relationship between a testtaker's latent trait level and their probability of a certain response on a test item.

The Probabilistic Relationship Between a Testtaker's Response to a Test