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The 15-Point IQ Gains That Have Occurred in Westernized Nations

question 80

Multiple Choice

The 15-point IQ gains that have occurred in Westernized nations in the last 30 years reflect the influence of all of the following EXCEPT


Definitions:

Experience

The knowledge or mastery of an event or subject gained through involvement in or exposure to it.

Coefficient of Determination

The coefficient of determination, often denoted as R^2, measures the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Gas Mileage

A measure of how far a vehicle can travel on a given amount of fuel, typically expressed in miles per gallon (mpg) or kilometers per liter (km/l).

Truck Speed

A measure referring to the velocity at which a truck is capable of traveling under specific conditions.

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