A Test Item Functions Differently in One Group of Testtakers

question 31

Multiple Choice

A test item functions differently in one group of testtakers as compared to another group of testtakers known to have the same level of an underlying trait.This phenomenon is known as:

• A) dysfunctional item syndrome.
• B) DIF.
• C) DIF item difference.
• D) DIF item incongruity.

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Definitions:

Wage Rate

The amount of compensation offered per unit time or piece of work to an employee.

Total Product

The total quantity of output produced by a firm from a given quantity of inputs.

Labor Demand Curve

A graphical representation showing the quantity of labor that firms are willing to hire at different wage rates, assuming other factors remain constant.

Purely Competitive

A market structure characterized by many buyers and sellers, free entry and exit, and products that are homogeneous.