Which of the Following Has NOT Been Demonstrated Through Scientific

question 199

Multiple Choice

Which of the following has NOT been demonstrated through scientific research?

• A) rats raised in enriched environments have heavier brains than rats raised in impoverished environments
• B) kittens deprived of visual stimulation in one eye early in life become permanently blind in that eye
• C) after listening to classical music, college students show increased performance on some tasks
• D) young infants exposed to classical music show higher cognitive performance in preschool

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Definitions:

Trade

The exchange of goods, services, or both within or between countries.

Invisible Hand

A metaphor for the self-regulating nature of the marketplace that guides individuals to unintentionally benefit society through the pursuit of their own interests.

Adam Smith

An 18th-century Scottish economist and philosopher best known for his theories on free market economies and the invisible hand concept.

The Wealth of Nations

A seminal book by Adam Smith, regarded as the foundation of modern economic theory, which analyzes the nature and causes of the wealth of nations.