Differential Item Functioning (DIF) Is Used Mainly in the Study

question 8

Multiple Choice

Differential item functioning (DIF) is used mainly in the study of ___.

• A) item bias
• B) item reliability
• C) test validity
• D) test norms

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Definitions:

HIV Antibodies

Proteins produced by the immune system in response to infection with the human immunodeficiency virus, used in testing for HIV.

Antigens

Substances that the body recognizes as foreign and that can trigger an immune response, typically proteins or polysaccharides on the surfaces of bacteria, viruses, or other pathogens.

Antibodies

Proteins produced by the immune system to identify and neutralize foreign objects like bacteria and viruses.

Breastfeeding

The act of feeding a baby with milk directly from the mother's breast, considered important for the infant's nutrition, immunity, and bonding.