Education and culture can take people only so far. To be a great speller–or, more importantly, a great doctor or IT manager–you have to be smart. Just how smart are Indian Americans? We don’t know with much certainty. Most data sets with information on ethnic groups do not include IQ scores, and the few that do rarely include enough cases to provide interpretable results for such a small portion of the population. The only direct evidence we have comes from the 2003 New Immigrant Survey, in which a basic cognitive test called “digit span” was administered to a sample of newly arrived immigrant children. It is an excellent test for comparing people with disparate language and educational backgrounds, since the test taker need only repeat lengthening sequences of digits read by the examiner. Repeating the digits forward is simply a test of short-term memory, but repeating them backward is much more mentally taxing, hence a rough measure of intelligence. When statistical adjustments are used to convert the backward digit span results to full-scale IQ scores, Indian Americans place at about 112 on a bell-shaped IQ distribution, with white Americans at 100. 112 is the 79th percentile of the white distribution. For more context, consider that Ashkenazi Jews are a famously intelligent ethnic group, and their mean IQ is somewhere around 110. A clear implication of Indian-American success is that immigrants need not be unskilled, nor must their economic integration take generations to achieve.
Posted on: Sun, 01 Jun 2014 20:42:41 +0000
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