The IQ Test US Blog
Articles on intelligence, testing, and the science of the mind.
Deep-dive articles on famous IQ scores, viral quiz phenomena, and the actual science behind cognitive measurement. Updated regularly.
Chipotle IQ Test Answers
The “Chipotle IQ test” went viral on TikTok and social media. Here's what it actually tested, the common answers, and how to take a real IQ test instead.
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Albert Einstein's IQ
Albert Einstein's IQ is often cited as 160. But did he ever take an IQ test? What's known and what's speculation about his cognitive ability.
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The Highest IQ Ever Recorded
Who has the highest IQ ever recorded? Terence Tao, Marilyn vos Savant, William James Sidis, Christopher Hirata, and the limits of extreme cognitive scores.
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Trump's IQ Test Explained
Donald Trump took a cognitive test in 2018 — but it wasn't an IQ test. The difference between the MMSE, MoCA and a real IQ test, explained.
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IQ by Country
National IQ averages, the Lynn-Vanhanen dataset, and the serious methodological problems behind cross-country IQ comparisons. What the research actually says.
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