Light waves from a blue shirt stimulate different photoreceptors than light waves coming from a red shirt. The fact that we see these shirts as two different colors can be explained by _____

a. trichromatic theory
b. hyperopia
c. opponent process theory
d. motion parallax

Answer: A

Rationale: Color vision is in part determined by three different cone types that are sensitive to short, medium, and long wavelengths of light.

Psychology

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We tend to __________ attractive people more than we do less attractive people

a) like b) dislike c) ignore d) hate

Psychology

Susan learned at a young age that developing good study habits, such as doing her homework, brought about good grades, and made her want to work harder in school. This is called

a) operant conditioning. b) classical conditioning. c) reinforcement. d) social-cognitive.

Psychology