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The mean IQ of Americans: Massive gains 1932 to 1978.

Psychological Bulletin · 1984 · 116 citations · 0 references

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Social SciencesBehavioral SciencesPsychologyIndividual DifferencesPsychometricsSocial DemographyAmerican Intellectual HistoryIntelligence AssessmentAdult Intelligence AssessmentHeritability Of IntelligenceIntelligence QuotientPremorbid Intelligence EstimationWechsler Intelligence Scales