An Experimenter Exposed Students to One Hour of Soft, Intermediate

question 29

Multiple Choice

An experimenter exposed students to one hour of soft, intermediate, or loud noise and then tested their ability to solve puzzles. What was the independent variable in this experiment?

• A) the loudness of the noise
• B) the students' scores on the puzzles
• C) the motivation of the students
• D) the difficulty of the puzzles

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Definitions:

Unitary Elasticity

A situation in which the percentage change in quantity demanded or supplied is equal to the percentage change in price.

Percentage Increase

A measurement that calculates the degree to which a value has risen compared to its previous value, expressed as a percentage.

Price Elasticity

Measures how much the quantity demanded of a good changes in response to a change in its price.

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression.