Why Was the Opponent-Process Theory Preferred Over the Trichromatic Theory

question 74

Multiple Choice

Why was the opponent-process theory preferred over the trichromatic theory of colour vision?

• A)It explained the existence of complementary afterimages.
• B)It supported the greater prevalence of colour blindness in males.
• C)It clarified why yellow/blue colour blindness is less common.
• D)It indicated why some people see no colour at all.