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In an 1886 publication, Sir Francis Galton graphed the heights of 205 adults and 928 of their adult offspring. From these data, he asserted that the height of an offspring deviates from the average height in the adult population by only two thirds of the parent’s deviation from the average. In other words, children of …
An IQ of 140 is a mixed blessing. On an IQ scale for which the mean is 100 and standard deviation 15, a person with an IQ of 140 is in the 99.616957th percentile. This means that they have scored higher than 99.6% of the population on the test, an achievement equalled or bettered by …
I know a 140 IQ is good, but what does it really do? Read More »
It’s very difficult to assess someone’s intelligence during a brief meeting, but the longer you share conversation with that person, the more accurate will be your assessment. Here are some characteristics I have found in the very high IQ people I’ve met although these are, of course, generalizations that will have some counterexamples. High IQ …
How can you tell if someone has a high IQ based on their behavior? Read More »
To answer your question in a nutshell: the human brain grows rapidly throughout childhood reaching a peak in early adulthood. Research suggests that our fluid intelligence (a major portion of our IQ) stabilizes between ages 16 and 20 and then goes into a gradual decline. Throughout adulthood, we gain experience, and depletion in our fluid …
Why is IQ so much more variable in childhood than in adulthood? Read More »
Many questions that come to this Quora space ask whether it’s possible to change your IQ. To address this question, I searched a wide variety of journals for the latest research in this area. Some of what I discovered is presented here, in the following snippets from my book titled, Intelligence, IQ, & Perception. The …
Actually, a higher than average IQ is probably necessary for the development of wisdom, so one cannot lose too many IQ points and still gain wisdom. Before elaborating, I will provide Aristotle’s distinction between IQ and wisdom. In the quote below, Aristotle uses the term “Prudence” to describe wisdom. Although the young may be experts …
Is it a good deal if you lose your IQ but gain wisdom? Read More »
In my upcoming book titled, Intelligence, IQ, and Perception: Unpopular Truths Exploding Popular Myths, I devote a chapter to the question, “Are Smarter People Wealthier?” An excerpt is included below: In a research paper published in 2007, titled Do you have to be smart to be rich? The impact of IQ on wealth, income and …
Yes. Research reveals that the concept of emotional intelligence is not well defined and seems to be conflated with other variables such as IQ and personality. The validity of tests designed to measure emotional intelligence, hinges on their ability to assign scores to item responses purported to measure EQ. One of the most prominent of …
On February 28, 2020, CEOWORLD Magazine ranked the world’s top 50 billionaires from “richest to poorest”. As we might expect, these megawealthy individuals belong to the high-IQ group. The table below (taken from my book on intelligence) displays the net worth and the educational backgrounds of the top 10 in the rich list–most of them …
Can a person with an IQ of 180 become a billionaire? Read More »
Although some psychologists argue that giftedness is a myth and that extraordinary performance is merely a consequence of deliberate practice, there is substantial evidence that some people are born with extraordinary cognitive skills that we refer to as “giftedness.” Typically, giftedness is manifest in early childhood. Sir Francis Galton, one of the pioneers of the …
