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.”

Do two people with the exact same IQ have the same ability to excel in math, or could one be smarter in writing while the other is better in math?

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The human brain is an extremely complex organ, capable of a wide variety of different kinds of processing skills such as thinking abstractly, generalizing concepts, discerning patterns in information, understanding metaphor, articulating ideas, and drawing inferences. Each of us is different in our competence in each of these domains. IQ is a measure that gives …

Do two people with the exact same IQ have the same ability to excel in math, or could one be smarter in writing while the other is better in math? Read More »

Does forehead size say anything about intelligence?

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From time to time, people have reasoned that if there is a correlation between brain size and intelligence, then larger cranial size (including a large forehead) should be correlated with greater intelligence. In the early 1820s, Samuel George Morton, an American natural scientist and physician began collecting human skulls and by 1851 his collection exceeded …

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Is machine learning even a thing yet, or is it simply advertising?

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When we humans learn, we are gathering information that we add to our memory bank, changing incrementally our knowledge, skills, or attitudes. Programs that enable a computer to gather data to further advance its capabilities are said to produce “machine learning.” In this sense, machine learning is a reality. For example, in the May 1997 …

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How can it be that IQ has such a huge deviation? I did the international IQ test 5 times in my life. The first result was 112, the second was 131, the third was 92, the fourth was 113, and the last was 129.

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IQ tests, like all tests, are approximate measures of knowledge or ability. The score of 92 was an outlier since it was the only score that was below the “normed” average of 100, and was probably taken on a day when you were not functioning at your best. The scores of 112 and 113 are …

How can it be that IQ has such a huge deviation? I did the international IQ test 5 times in my life. The first result was 112, the second was 131, the third was 92, the fourth was 113, and the last was 129. Read More »

How does knowing how to operate machines and computers increase intelligence, if it does?

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In the 1940’s, psychologist Raymond B. Cattell attempted to create “culture-free” tests of intelligence. Believing that IQ tests contain implicit biases in favor of particular cultures, he sought to partition intelligence into two components–fluid and crystallized. He described fluid intelligence as “a capacity to perceive relations and educe correlates.” In essence, this is the capacity …

How does knowing how to operate machines and computers increase intelligence, if it does? Read More »

Can you become a brilliant theoretical physicist with an average IQ (95-105)?

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In 2005, Professor Larry Summers, President of Harvard University, stated, “The physicists in the top 25 universities in the US are probably 3.5 standard deviations above the mean IQ.” This equates to an IQ of 100 + 3.5 x 15 or 152.5. IQ is a reasonably good measure of the ability to think in abstract …

Can you become a brilliant theoretical physicist with an average IQ (95-105)? Read More »

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