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 tell me more about your life as a high IQ person? It really helps me understand myself and my children.

Miika, I will not write about my personal experiences, because I don’t want to make this post about me, but I will share with you what I have learned about high IQ people and their life experiences. I hope this will be helpful to you as your raise your children. People of high intelligence have …

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Is there evidence to support the belief that this generation is less intelligent than previous generations? What factors contribute to this belief and what evidence contradicts it?

To investigate this question, it’s important to recognize that intelligence is not an absolute quality, but is a cognitive capacity to succeed in a particular environment. The famous quote, “Everyone is a genius, but if you judge a fish by its ability to climb a tree, it will live its whole life believing that it …

Is there evidence to support the belief that this generation is less intelligent than previous generations? What factors contribute to this belief and what evidence contradicts it? Read More »

Can someone with average intelligence become an excellent mathematician or theoretical physicist? If so, what steps can they take to achieve this?

It is extremely unlikely that anyone of average intelligence could develop enough expertise to become a research mathematician or theoretical physicist, but there is a remote possible exception. The rarified intellectual realm at the top levels of mathematical research was well depicted in the 1997 movie Good Will Hunting. When Fields Medalist, Professor Gerald Lambeau, …

Can someone with average intelligence become an excellent mathematician or theoretical physicist? If so, what steps can they take to achieve this? Read More »

Can an exceptionally intelligent person come from a low-class background?

In answering this question, I will assume that “low-class background” refers to a low socioeconomic background. The good news for anyone from a low socioeconomic background is that your intellectual potential is determined to a large extent by the genes you inherit. In 2011, a large group of researchers published a paper stating: (See: Davies, …

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What is the reason behind some people’s constant need to be right, even when others may have more knowledge on a subject?

We have all met people who speak with great certainty about things in which they are not well versed. When challenged they tend to double down on their certainty and refuse to accept the possibility that they may be mistaken. I had a brother-in-law, now deceased, who used to respond to any of my opinions …

What is the reason behind some people’s constant need to be right, even when others may have more knowledge on a subject? Read More »

Have there been any documented cases of individuals with an officially recorded extremely high IQ? If so, what was their life like after that?

High intelligence is both a blessing and a curse. The blessing part is evident to almost everyone. A person of high intelligence can learn easily, qualify for almost any educational degree and, if interested, can earn substantial income. The curse aspect is less evident, but high intelligence, or its proxy a high IQ, can be …

Have there been any documented cases of individuals with an officially recorded extremely high IQ? If so, what was their life like after that? Read More »

Were many geniuses initially perceived as slow or unintelligent by their teachers and parents?

Since applying the term “genius” to a person depends on consensus, usually after their death, I will provide instead some examples of high achievers of very high IQ who were perceived as slow or unintelligent by their teachers and/or parents. On February 11, 1847, Thomas Alva Edison was born in Milan Ohio, the seventh and …

Were many geniuses initially perceived as slow or unintelligent by their teachers and parents? Read More »

Are you skeptical of the notion that high emotional intelligence (EI) is required for successful leadership?

Emotional intelligence (EQ) is typically assessed by these five traits: self-awareness, self-regulation, motivation, empathy, and social skills. Certainly, someone who is low in all these attributes is unlikely to be a successful leader. To be a strong leader, you must possess a high motivation, evident through your passion for a cause. You must also have …

Are you skeptical of the notion that high emotional intelligence (EI) is required for successful leadership? Read More »

What are some signs that someone has a high level of intelligence, beyond just academic or book smarts? How can one determine if they have above average intelligence?

Assessing someone’s intelligence is extremely difficult, whether or not you take into account their educational credentials or achievements. I have seen people who are highly educated, but who believe in superstitions that are entirely unsubstantiated by scientific observation. When their opinions are challenged, they become defensive and move quickly from rational to emotional mode. I …

What are some signs that someone has a high level of intelligence, beyond just academic or book smarts? How can one determine if they have above average intelligence? Read More »

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