The Fact That the Researcher Does Not Have Experimental Control

question 25

Multiple Choice

The fact that the researcher does not have experimental control over the independent variable and does not randomly assign participants to conditions results in a quasi-experimental design with results in which of the following?

• A)The researcher being unable to rule out any threats to internal validity
• B)A study that is no different than a correlational design
• C)A weaker causal claim than a true experiment
• D)An unethical study

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Definitions:

Hepatic Vein

A vein that drains deoxygenated blood from the liver into the inferior vena cava.

Inferior Vena Cava

A large vein that carries deoxygenated blood from the lower half of the body back to the right atrium of the heart.

Celiac Trunk

A major artery that provides blood to the stomach, spleen, liver, and other organs in the abdomen.

Renal Artery

The blood vessel that carries oxygen-rich blood to the kidneys for the process of filtration and regulation of blood pressure.