American IQ test scores have dropped during a recent 13-year period, a remarkable finding that runs counter to the well-established trend of increasing IQ scores throughout much of the 20th century.
MyIQ is changing how digital culture engages with intelligence. In 2025, cognitive testing has become part of personal ...
The intelligence quotient, or IQ, is a measure of intelligence. An IQ test is designed to measure a person's cognitive ...
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