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Hoeflin IQ Tests (4)

These IQ tests were created by Ronald K. Hoeflin, Ph.D., philosopher and creator of the famous Mega, Titan, Ultra, and Power IQ tests, and founder of several high IQ societies that you will find listed on our IQSocieties.com site.
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High Ceiling IQ Tests (17)

These IQ tests are able to discriminate at or above the 99.9th percentile (IQ 146+ on a 15 point per standard deviation scale). This is the one person in a thousand level.
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ALL of Our IQ Tests (57)

Shows you all of the IQ tests on our site.
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