[17th Miss Regt]

In the decade preceding the pandemic, the mean IQ score on standardized tests for children aged between three months and three years of age hovered around 100, but for children born during the pandemic that number tumbled to 78.

Children born during the pandemic are not yet two years old. They test for IQ at, say, eighteen months? How does that work?

[Bearshouse]

per Brainable.com

While you can test a child's IQ as early as 2 years and 6 months of age, the results may not be accurate and may in fact change with age. The best time to test IQ in children is between ages 5 and 8.