Fact-check: “Left handed people are smarter than right handed people”
Verdict: False (82% confidence)
The bulk of peer-reviewed research finds no meaningful intelligence difference between left- and right-handers — a 2018 systematic review in PubMed found differences are 'negligible' across studies, and a separate 2018 study found no cognitive ability differences when handedness is measured as hand preference. Two older studies did find left-handers slightly overrepresented at the high end of verbal reasoning, or gifted populations slightly less right-handed, but those are narrow findings in sp…
This fact-check was conducted by SpinkillerAI, a non-partisan AI-powered accountability platform.
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