Questions tagged [intelligence]

Intelligence has been defined in many different ways such as in terms of one's capacity for logic, abstract thought, understanding, self-awareness, communication, learning, emotional knowledge, memory, planning, creativity and problem solving.

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Does Chess ELO correlate with IQ?

Does the chess ELO rating of players (who have trained/played approximately the same amount of time) correlate positively with IQ? A usual claim is 'IQ and chess ELO ratings don't correlate', a view widespread in chess circles. However, I have never…
fzk
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Is there a correlation between intelligence and wearing spectacles?

Many people I know consider bespectacled individuals to be smarter than the average normal sighted person. Is there any scientific basis to this belief?
Green Noob
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Does Modafinil make you smarter?

Modafinil (Wikipedia link) is a drug approved in many countries for specific medical conditions such as narcolepsy. We don't, however, have a good idea how it works. But is is one of several drugs (including the unrelated stimulant Ritalin, which is…
matt_black
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Does your choice of browser relate to your IQ

SOURCE PC World reports that a "psychometric consulting" firm called AptiQuant gave free online IQ tests to 100,000 people, and then plotted the scores against the browser on which the tests were taken. It found that Internet Explorer users…
Chad
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Are blondes dumb or is it just a sarcastic saying?

Many a times in hollywood, blondes are projected as unitellegent, stupid and dull-witted. In fact a perception around the world can be realized about the same. In friends circle, TV shows and social networks, everyone keeps hinting in one way or the…
Pankaj Upadhyay
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Did the average IQ score in France decline in recent decades?

We all know about the Flynn effect, that states that it has been the case that in the recent past the IQ scores in developed countries have been steadily increasing. The reasons seem to be related with less hunger, less poverty and violence and…
user12079
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Are people who love inspirational quotes less intelligent?

An article in the Daily Beast claims the following: A new study finds that people who love bullshit inspirational quotes have lower intelligence and more "conspiratorial ideations". Life begins at the end of your comfort zone. Stars can't shine…
matt_black
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Does North Korea have the third highest IQ?

In the book IQ and the wealth of nations, the authors Lynn & Vanhanen published a list of measured average IQs for 81 countries (Table 6.1, base-lined on the UK), and another longer list (Table 6.5) which included estimated IQs for several…
Kenshin
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Are people with a high IQ not allowed to become police officers in New London?

This 2000 ABC News report says: A man whose bid to become a police officer was rejected after he scored too high on an intelligence test has lost an appeal in his federal lawsuit against the city. [...] Jordan, a 49-year-old college graduate, took…
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Is intelligence declining due to the lack of selection pressure?

I have read lately that human intelligence has already peaked and that it will slowly decline over time because humans are no longer naturally selected for intelligence (Darwin award winners aside). In particular, from the first link: Humans are…
Brian M. Hunt
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Does consuming fluoridated water reduce IQ?

Related: Is fluoride in water an industry waste product? Is water fluoridation harmful? Dr. Mercola is at it again with a new article: 25 Studies Prove This Reduces Your IQ. The Fluoride Action Network is also urging communities to pressure…
Hendy
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Does LSD provide a creativity boost?

The claim is of course widely known: LSD "broadens your thinking" and makes you "more creative". The last incarnation was Steve Jobs' biography taking a swipe at Bill Gates: “He’d be a broader guy if he had dropped acid once or gone off to an…
user5341
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Are vegetarians more intelligent?

In a post titled Why Vegetarians Are More Intelligent than Meat Eaters, evolutionary psychologist Satoshi Kanazawa claims: Among the British respondents in the National Child Development Study, those who are vegetarian at age 42 have significantly…
CrownedEagle
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Intelligence and number of children?

This wikipedia article on fertility and intelligence (citation missing from wiki article needed for proving this claim) indicates that intelligent people are less fertile. Is this correlated to the number of children as well? Thus, could one…
chrisjlee
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Does having more women in a group increase its collective intelligence?

Various reputable media outlets have written articles down through the years to the effect that the higher the ratio of women in a group, the higher its collective intelligence. Examples online: Huffington Post: The Collective Intelligence of…
badroit
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