In a Directional Alternative Hypothesis

question 124

Multiple Choice

In a directional alternative hypothesis,

• A) the two groups are equal on the dependent variable.
• B) one group scores higher or lower on the dependent variable than the other.
• C) the two groups do not differ on the dependent variable.
• D) the two groups' scores on the dependent variable are not equal.

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Definitions:

Capillaries

Tiny blood vessels that facilitate the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.

Oxygen

A chemical element (O) that is critical for respiration in most aerobic organisms and has various industrial uses.

Nutrients

Substances obtained from food and beverages that are essential for growth, metabolism, and for maintaining life.

Arterioles

Small branches of arteries leading to capillaries that regulate blood flow and pressure in the circulatory system.