Patsy Conducted an Experiment That Included Two Groups of Junior

question 59

Multiple Choice

Patsy conducted an experiment that included two groups of junior high girls. One group received no training while the other received a 3-hour intervention about the benefits of careers in math and science domains. Patsy compared the willingness of girls to enroll in subsequent math courses as her outcome measure. Her t test analysis indicated no differences between her treatment group and the no-exposure control. This finding is likely due to

• A) preexisting group differences.
• B) limited treatment exposure.
• C) sampling error.
• D) too small a sample size.

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Definitions:

Lymphocytes

A type of white blood cell that plays a central role in the immune system by fighting infections and diseases.

Adrenal Glands

Endocrine glands located above the kidneys that produce hormones such as adrenaline and cortisol, involved in stress response.

Coronary Heart Disease

A condition characterized by the buildup of plaque in the coronary arteries, which supply oxygen-rich blood to the heart muscle, leading to heart attacks.

Vessels

Structures such as tubes or ducts in the body that carry fluids like blood, lymph, or sap in plants.