An Experimental Design Testing the Hypothesis That Group a Will

question 2

Multiple Choice

An experimental design testing the hypothesis that group A will score higher on a measure than group B would use a ______ test to test for differences between the two groups.

• A) zero-tailed
• B) one-tailed
• C) two-tailed
• D) three-tailed

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Definitions:

Fibrillation

An uncoordinated twitching of the muscle fibers, particularly in the heart, leading to inefficient pumping action.

Ischemia

A condition characterized by insufficient blood flow to a part of the body, causing a shortage of oxygen that is needed for cellular metabolism.

Depolarization

A reduction in the difference in electrical charge across a cell's plasma membrane, typically leading to nerve impulse transmission or muscle contraction.

Electrocardiogram

A diagnostic tool that measures and records the electrical activity of the heart to detect abnormalities.