When a Difference Between Two Groups Is Statistically Significant, This

question 143

Multiple Choice

When a difference between two groups is statistically significant, this means that

• A) the difference is statistically real but of little practical significance.
• B) the difference is probably the result of sampling variation.
• C) the difference is not likely to be due to chance variation.
• D) all of these statements are true.

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Definitions:

Night

The period of darkness between sunset and sunrise when the sun is below the horizon, characterized by reduced visibility and typically considered a time for rest.

Center of the Eye

Refers to the pupil, the circular, black-looking opening in the iris that regulates the amount of light that enters the eye.

Optic Nerve

A cranial nerve that transmits visual information from the retina to the brain.

Ganglion Cells

Type of neurons located in the retina of the eye that receive visual information from photoreceptors and transmit it to the brain via the optic nerve.