The Possibility That a Confounding Variable, Rather Than the Independent

question 49

Multiple Choice

The possibility that a confounding variable, rather than the independent variable of interest, caused changes on the dependent measure represents

• A) an alternative explanation.
• B) an artifact.
• C) a placebo effect.
• D) a demand characteristic.

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Definitions:

Passive Immunity

Passive immunity is the type of immunity acquired by the transfer of antibodies from another individual, offering immediate, but temporary, protection.

Plasma Proteins

A variety of proteins in blood plasma that perform functions such as clotting, defense against disease, and transport of substances.

Actively Immunized

Having received a vaccine that stimulates the body's immune response to a specific disease, leading to the development of immunity.

HIV Virus

The human immunodeficiency virus, a retrovirus that attacks the immune system, leading to acquired immunodeficiency syndrome (AIDS) if not treated.