Operational Definitions Since Brightness Can Be Directly Measured Using a Light

question 8

Multiple Choice

Operational Definitions Since brightness can be directly measured using a light meter, brightness is a(n)

• A)hypothetical construct.
• B)intervening variable.
• C)nonconstruct variable.
• D)sham variable.

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Definitions:

Rods

Photoreceptor cells in the retina of the eye that are sensitive to low light and contribute to night vision.

Cones

Photoreceptor cells in the retina of the eye that function best in relatively bright light and enable color vision.

Fovea Centralis

A small pit in the retina of the eye where visual acuity is highest, responsible for sharp central vision.

Anisocoria

a condition where the pupils of the eyes are of unequal sizes.