The Rapid Rise in IQ Gains That Have Occurred Over

question 308

Essay

The rapid rise in IQ gains that have occurred over the last 50 years in Western, industrialized nations is referred to as the __________ effect.

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Definitions:

Alkane Name

The systematic nomenclature for saturated hydrocarbons, where names are derived from the number of carbon atoms in the molecule, e.g., methane, ethane, propane.

Compound Name

The designation or label given to a chemical substance based on its composition and structure.

Methyl Groups

An alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms -CH3.

Dimethylhexane

A category of alkane hydrocarbons with a base structure of hexane substituted by two methyl groups, having several isomers.