This book analyzes how immigration and racial mixing may shape national cognitive trends, using army test data and historical evidence to discuss what the future could hold.

This edition brings together data from the early 20th century to question how immigration, adaptation, and different genetic backgrounds might influence the nation’s intellectual capacity. It presents arguments about policy steps and the possible outcomes of population change, while examining how measurements of intelligence were interpreted in that era.

How intelligence was measured and what the tests were aiming to show
What the data suggested about the impact of years of residence and migration
Arguments for or against immigration policies based on test results
Historical context for cross-racial mixing and its potential effects

Ideal for readers of history, social science, and policy debates who want a historical perspective on intelligence and immigration.

"About this title" may belong to another edition of this title.

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