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Index/Topics/Historiometric Methods

Historiometric Methods

The use of statistical methods to analyze historical data, including the estimation of presidential IQs.

Fact-Checks

2 results
Jan 8, 2026
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Which documented claims about Donald Trump's IQ have been debunked by fact‑checkers and what evidence did they cite?

Fact‑checkers have repeatedly debunked specific widely circulated claims about Donald Trump’s IQ—most notably that he scored 73 on an IQ test taken at the New York Military Academy and that he scored ...

Feb 6, 2026

What have psychologists and historians said about the usefulness of IQ estimates for evaluating presidential performance?

Psychologists who have tried to estimate argue that intelligence-related measures—especially constructs like “” and Openness—correlate with historians’ rankings of presidential performance, but they a...