Brendan Kelly Ph.D.

Brendan Kelly is Professor Emeritus at the University of Toronto. He is author of over 50 books including the recent "Intelligence, IQ & Perception", and "Intelligence: Where we Were, Where we Are & Where we’re Going." He holds two doctorate degrees: a Ph.D. in Mathematics (Number Theory) from U. of T. and an Ed.D. in Computer Applications from the Ontario Institute for Studies in Education, and he curates his site on Quora titled, “IQ & Intelligence.”

Can you be a millionaire with an IQ of 100? Is 100 IQ enough to do the impossible?

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I have good news for you. In a press release on March 12, 2019, the Spectrem Group indicated that there were in 2018, 11.8 million Americans with a net worth of at least $1,000,000. Press Release – Spectrem Group’s 2019 Market Insights Report Reveals 10th Consecutive Annual Increase in Wealthy American Households – March 12, 2019 This …

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What might cause only one person in the family to have a below average IQ while everybody else is average?

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In 2011, a large group of researchers published the results of a genome-wide analysis of 549,692 single nucleotide polymorphisms (SNPs) involving 3511 unrelated adults. (An SNP represents a difference in a single DNA building block, called a nucleotide.) (See: Davies, G., A. Tenesa, A. Payton, J. Yang, S.E. Harris, D. Liewald, et al. 2011. “Genome-wide …

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The Difference Between Truth in Mathematics and Truth in Science

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In some of our exchanges during the past week, contributors have been discussing the nature of truth and the difference between “truth” in mathematics and “truth” in science. The assumptions in mathematics, are called “axioms” and are generally thought to be “a priori” constructs of the human brain. The assumption that a mathematical truth, such …

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Why isn’t the Smartest Person in the Classroom the Most Successful One?

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The answer to this question depends upon your definition of success. A famous postcard circulated in the early part of the last century carried the caption, “If you’re so damn smart, why ain’t you rich.” Implicit in this question was the assumption that success is synonymous with the accumulation of wealth. It is probably true …

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What are some good science books that, though not about human intelligence as measured by IQ per se, are based on information derived therefrom?

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A wonderful little book that gave me insights into the mental processes underpinning thinking at the highest intellectual level was Jacques Hadamard’s seminal publication, The Psychology of Mathematical Invention. Hadamard, co-discoverer of a proof of the Prime Number Theorem, used a speech delivered by the great mathematician Henri Poincaré to describe a four-stage process that …

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How can I improve my intelligence/IQ, problem solving skills, logical and critical thinking as a teenager?

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Psychologists generally agree that your genetics determine your intellectual potential, however, environmental factors play a key role in helping you maximize that intellectual capital. Your teen years offer a special opportunity to hone your intellectual abilities because, as you enter puberty, there occurs a round of rapid and extensive production of neurons and synapses that …

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Admin Post: Are You Missing the “Math Gene”

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On this Quora space, we often receive questions from intelligent people asking why they have trouble with mathematics. Some believe that there is a “math gene” that they are missing. Certainly, research at the frontiers of mathematics requires a very high level of intelligence where neural efficiency, short term memory, and pattern recognition come into …

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At the age of 5, I was tested to apparently have a IQ that puts me below average. I’ve heard that a child’s IQ can often fluctuate wildly as they grow and develop. Is it possible that my score is within the average/above average range now? (I’m 17)

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Dave, I have good news for you. It’s entirely possible that your IQ is average or above average. Though IQ is our best measure of cognitive ability, it is a rough approximation, especially for children at an early age. During your early formative years, your brain was producing and pruning neurons at a prodigious rate, …

At the age of 5, I was tested to apparently have a IQ that puts me below average. I’ve heard that a child’s IQ can often fluctuate wildly as they grow and develop. Is it possible that my score is within the average/above average range now? (I’m 17) Read More »

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