History Is Basically a Problem of External Validity Rather Than

question 58

True/False

History is basically a problem of external validity rather than internal validity.

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Definitions:

Trichromatic Theory

A theory of color vision proposing that the human eye has three types of receptors with different sensitivities to light wavelengths, responsible for the perception of color.

Cones

Cones are photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.

Retina

A layer of cells located at the back of the eye, responsible for converting light into neural signals that can be processed by the brain to produce visual images.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and functioning best in relatively bright light.