In the Preceding Question the Independent Variable Is

question 28

Multiple Choice

In the preceding question the independent variable is

• A) stress.
• B) adrenaline.
• C) location.
• D) the number of children treated for sleep disturbance.

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Definitions:

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the "just noticeable difference."

Auditory Convergence

A phenomenon in which sounds from different sources merge into a single perceived auditory event.

Refractory Threshold

The level of stimulus intensity or the period following a nerve impulse during which a nerve or muscle is unresponsive to further stimulation.

Fovea

A small depression in the retina of the eye where visual acuity is highest, due to the high density of cones (color-receiving cells).