Information from item response theory analyses can be used for
A) creating short forms of measures.
B) developing measures that screen for a trait.
C) computerized adaptive testing.
D) all of the above.

Question

Quizplus · Accepted Answer

Item response theory analyses can provide information on item difficulty and discrimination, which can be used to create short forms of measures that have high accuracy and reliability. It can also be used to develop measures that screen for a specific trait or construct. Furthermore, item response theory can be used in computerized adaptive testing to select items based on a person's ability level. Therefore, all of the choices (A, B, and C) are correct.

Information from Item Response Theory Analyses Can Be Used for