Which of the Three Theories of Color Vision Is Correct

question 199

Multiple Choice

Which of the three theories of color vision is correct?

• A) trichromatic theory, but not the other two
• B) opponent-process theory, but not the other two
• C) retinex theory, but not the other two
• D) All three theories are correct in explaining some aspects of color vision.

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Definitions:

Double-masked

In medical studies, a trial in which neither the participants nor the researchers know who belongs to the control group and who belongs to the experimental group.

Placebo

An inert substance or treatment which has no therapeutic effect, used as a control in testing new drugs.

Anxiety

An emotion characterized by apprehension, tension, or discomfort stemming from the anticipation of an unclear result, frequently related to apprehension over what is to come.

Matched Control

A technique in scientific studies where individuals in a control group are deliberately matched with participants in the experimental group based on certain characteristics to ensure comparability.