Certain Visual Illusions Get Weaker and Weaker as We Continue

question 19

Multiple Choice

Certain visual illusions get weaker and weaker as we continue to stare at them.If you wanted to see whether this "illusion decrement" followed the same course for both men and women,which design and which independent variables would you use?

• A) treatment ( treatment; subjects; sex and illusion type)
• B) matched groups; time and illusion form
• C) mixed design; sex and viewing time
• D) random groups; sex and illusion type

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Definitions:

Normal Color Vision

The ability to perceive colors in a manner that is considered standard or average, involving the differentiation of color hues.

Opponent-Process Theory

A psychological and neurological model that describes how humans perceive colors, proposing that visual elements are interpreted in terms of opposite colors.

Excitation

The process of causing a cell or an organism to become activated or more active.

Antagonists

Drugs that impede the activity of a neurotransmitter.