Why Is the Range Effect Known as a "Ceiling Effect

question 35

Multiple Choice

Why is the range effect known as a "ceiling effect" a problem for researchers?​

• A)​The scores are already so high that there is no chance of measuring improvement.
• B)​The scores are already so low that there is no chance of measuring a decrease.
• C)There is so much room for improvement that the measurements are almost certain to   increase.
• D)​There is so much room for lower performance that the measurement are almost certain   to decrease.

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Definitions:

Socially Optimal

A state or outcome that maximizes the overall welfare or benefit to society, often considered in economics and game theory to balance individual and collective interests.

Gasoline

A volatile, flammable liquid derived from petroleum, used primarily as fuel in spark-ignited internal combustion engines.

Negative Externality

A cost that is suffered by a third party due to an economic transaction or activity.

Production

The act of merging diverse physical and non-physical inputs (including blueprints and skills) to produce goods for consumption.