The Tragedy of Isolation

By:  Thomas Sowell
07/30/2013
       
The Tragedy of Isolation

Racial and ethnic leaders around the world who promote a separate cultural "identity" are inflicting a handicap on their own people. Isolation has held back many peoples in many lands, for centuries. But such social and cultural isolation serves the interests of today's ethnic leaders.

In the 20th century, Western intellectuals' two most dominant explanations of disparities in economic, educational and other achievements were innate racial differences in ability (in the early decades) and racial discrimination (in the later decades).

In neither era were the intelligentsia receptive to other explanations. In each era, they were convinced that they had the answer — and dismissed and disparaged those who offered other answers.

Differences in mental test scores among different racial and ethnic groups were taken as proof of genetic differences in innate mental ability during the Progressive era in the early 20th century. Progressives regarded the fact that the average IQ test score among whites was higher than the average among blacks as conclusive proof of genetic determinism.

A closer look at mental test data, however, shows that there were not only individual blacks with higher IQs than most whites, but also whole categories of whites who scored at or below the mental test scores of blacks.

Among American soldiers given mental tests during the First World War, for example, white soldiers from Georgia, Arkansas, Kentucky, and Mississippi scored lower on mental tests than black soldiers from Ohio, Illinois, New York, and Pennsylvania.

Among other groups of whites, those with average mental test scores no higher than the average mental test scores among blacks included those in various isolated mountain communities in the United States, those living in the Hebrides Islands off Scotland and those in isolated canal boat communities in Britain.

Looking at achievements in general, people living in geographically isolated environments around the world have long lagged behind the progress of people with a wider cultural universe, regardless of the race of the people in these isolated places. When the Spaniards discovered the Canary Islands in the 15th century, they found people of a Caucasian race living at a stone age level.

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