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:

Variable Overhead

Costs that vary with production volume, including such expenses as indirect materials, supplies, and utilities for the production process.

Efficiency Variance

A measure in cost accounting used to assess the difference between the actual input used in production and the standard input expected to be used, for cost control purposes.

Direct Labour Hour

A measure of labor directly involved in manufacturing or production, calculated by the amount of time workers spend on specific tasks.

Fixed Overhead

Costs that do not change with the level of production or sales activities, such as rent, salaries, and insurance.