When a Problem Resolves Itself Over Time and the Change

question 10

Multiple Choice

When a problem resolves itself over time and the change is not just the result of the intervention, this is which alternative explanation or threat to internal validity?

• A)history
• B)maturation
• C)attrition
• D)mortality
• E)none of the above

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Definitions:

Perfectly Inelastic

A market situation where the quantity demanded does not change as the price changes.

Demand Curve

A graph showing the relationship between the price of a good or service and the quantity of that good or service that consumers are willing to buy at each price point.

Perfectly Elastic

Describes a situation in economics where a small change in price leads to an infinite change in quantity demanded or supplied.

Price Elasticity of Demand

A measure that calculates the change in the quantity demanded of a good in response to a change in its price.