Grouping of words, statements, or symbols on which judgments of the strength of a particular trait, attitude, or emotion are indicated by the test taker.
Interactive, computer administered test taking process wherein items presented to the test taker are based in part on test taker's performance on previous.
Test taker responses earn credit toward placement in a particular class or category with other test takers whose patter of responses is presumably similar in someway.
Revalidation of a test on a sample of test takers other than those on whom test performance was originally found to be a valid predictor of some criterion.
Phenomenon wherein an items function differently in one group of test takers as compared to another group of test takers known to have the same level of the underlying trait.