A three-year-old boy from the UK has become the youngest person to join Mensa UK, as reported by CNN. Scoring 142 on the Stanford-Binet IQ test, Muhammad Haryz Nadzim is in the 99.7th percentile of IQ ...
Psychologists administer IQ tests. Some psychologists don't test children younger than 4. Costs for testing can vary by the provider. Isla McNabb, a 2-year-old from Kentucky recently became the ...
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