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Listen to native speakers pronounce “mental retardation” in real conversational contexts with synchronized timestamps and subtitles.
And the IQ test then was the basis for the Army Alpha test used in World War I.So we went from measuring mental retardation with the IQ test to measuring soldiers for fitness in World War I, to then the same general group of psychometriciansand learning scientists working on this first instantiation of the SAT at the bequest of some of our elite colleges.
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