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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11
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1answer
28k views

Does the gorilla, Koko, have an IQ in the range 70-95?

Koko is a western lowland gorilla kept in San Francisco. There are many claims about her IQ. For example: She was given IQ tests several times when she was younger and scored between 70 and 95, ...
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0answers
701 views

Did almost half of 1000 adults fail a fifth-grade math test?

On several YouTube videos, one being this one, the descriptions of these videos include something like: Recent studies have shown that almost HALF of over 1000 adults tested were unable to pass a ...
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1answer
431 views

Are we getting smarter? [closed]

I've asked a similar question some time ago and people mentioned the "Flynn effect". But after watching this video from James Flynn I'm having doubts about the relevance of IQ tests. In short, that ...
8
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1answer
777 views

Did US intelligence community ever claim that Iraq had WMDs prior to 2003 inavsion?

The "common knowledge" is that US went to war with Iraq in 2003 based on "intelligence reports" claiming that Iraq had active Weapons of Mass Destruction (WMDs) programs. On the other hand, some ...
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1answer
694 views

Does smoking tobacco increase work capacity?

A colleague stated that he heard of studies stating that nicotine is an upper and would increase work effort. A short Google search showed many sources showing many strongly positive effects of ...
16
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1answer
2k views

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 ...
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1answer
1k views

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 ...
13
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1answer
3k views

Is spelling (orthography) correlated with adult intelligence?

I been told that spelling ability (good orthography) is correlated with intelligence (which is a nice way to say: if you are bad with orthography, you are stupid). So far I have been unable to find a ...
18
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2answers
1k views

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 ...
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1answer
2k views

Do less-intelligent people vote right-wing because they feel safe?

The always fascinating Daily Mail came out with a rather surprising article where it claims a Canadian experiment, or review, concluded that people with less-than-average childhood intelligence tend ...
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0answers
13k views

Is 80% of childs intelligence acquired from mother? [duplicate]

Several articles on internet claim that 80% of child's intelligence is acquired from mother. however not providing any scientific publications. Is it really true? source: http://brooklynmutt.com/post/...
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4answers
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Do non-educated people tend more to the right/conservative political wing?

This is a common prejudice in my social environment, but is it true? Are educated people more likely to vote for a social/left wing party? Examples: [1]; [2].
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3answers
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Is global IQ dropping over time?

Global IQ: 1950–2050 Essentially the idea is that while smart people are getting wealthier, their birth-rate tends to drop. On the other hand poor countries, which are generally populated by less ...
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0answers
866 views

Are men naturally inclined to be better at STEM subjects than women? [closed]

It's commonly believed that men are better at STEM (science, technology, engineering and mathematics) than women. I've heard before that men are naturally better at more logical thinking and problem-...
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2answers
18k views

Is reaction time correlated with intelligence?

The article People Getting Dumber? Human Intelligence Has Declined Since Victorian Era, Research Suggests says, As for Dr. te Nijenhuis and colleagues, they analyzed the results of 14 intelligence ...
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2answers
2k views

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 (...
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2answers
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Are exams getting easier, or are students getting smarter?

There is an interesting trend in test scores in exams (GCSE and A-level) in the UK: they are increasing, or so the trend in the grades would tend to show. This is known as grade inflation and affects ...
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1answer
3k views

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 ...
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1answer
1k views

Does the “Flynn Effect” in a way discredit the notion of IQ tests? [closed]

You probably heard before of the "Flynn Effect", the phenomenon first described by James Flynn which states that every new generation has an average IQ higher than the one before and as a consequence, ...
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1answer
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Did Asian countries top an IQ survey of 50 countries?

This article in the China Daily makes the claim that several Asian countries topped a survey of intelligence: Asians dominated the survey compiled by Austrian researchers who drew on a variety of ...
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3answers
1k views

Do any brain training games make you smarter?

What are the benefits over just playing a normal game? Sites such as Lumosity claim they are training your brain and making you smarter using "what seems like games". Is there any scientific evidence ...
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0answers
535 views

Is approximately 80% of a child's intelligence acquired from the mother? [duplicate]

Uberfacts, a Twitter account with 9.43M followers claims that 80% of a child's intelligence is acquired from the mother. How true is this? Gizmodo doesn't do a very good job of debunking this: ...
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2answers
9k views

Do men show greater variance in the distribution of their IQ than women?

It is frequently claimed that men show greater variance in the distribution of their general intelligence factor (g) ("IQ") than women. Is that claim accepted by the scientific community?
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Is the intelligence of people going down? [duplicate]

Somewhat popular idea in media (say movie "Idiocracy") and general perception of older generation is that people and society are getting dumber. It seems that even real studies show that "stupid" ...
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1answer
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How much traces lasting a million years would human civilization leave after perishing?

While there is a nice webcomic with a similar theme, I'm talking about a hopefully more reliable claim: The Science of Discworld alternates between chapters written by fantasy author Terry Pratchett ...
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946 views

Does Lego increase a child's IQ?

The Sun reports: PLAYING with Lego can make people BRAINIER, bosses claimed yesterday. A study found that those who are experts with the toy building bricks are more agile with their hands and ...
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1answer
5k views

Does Lumosity increase your intelligence?

Lumosity is a popular website that claims to help you become a more intellectually capable individual. Harness your brain's neuroplasticity and train your way to a brighter life" Is it truly ...
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2answers
4k views

Is IQ hereditary? If so, to what degree?

The movie Idiocracy suggests that intelligence is hereditary; this idea has also been perpetrated by German author Thilo Sarrazin, who claims that due to the higher fertility of Islamic immigrants and ...
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1answer
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Have Bobby Fischer, Einstein, Hawking and Kasparov all had their IQs tested?

I commonly find on the internet claims that these men had/have the following IQs: Bobby Fischer: 180–190 Einstein: 160 Hawking: 160 Garry Kasparov: 190 I'm sure most have heard somewhere that ...
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239 views

Is there a negative correlation between intelligence and being religious? [duplicate]

A study The relation between intelligence and religiosity: a meta-analysis and some proposed explanations indicates that there is a relationship, with an abstract: A meta-analysis of 63 studies ...
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1answer
7k views

Are intelligent people more nocturnal than people not considered intelligent?

Some sites claim that people with higher intelligence tend to go to bed later. For example: People with higher IQs are more apt to be nocturnal night-owls. Those with lower IQs tend to restrict ...
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1answer
1k views

Do firstborns have a higher IQ?

I've seen number of articles telling about the fact that firstborns are more likely to have higher IQ than their sibilings. Sources: Research Finds Firstborns Gain the Higher I.Q., Study: Older ...
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1answer
3k views

Are non-religious people smarter than religious people?

There are quite a few studies that confirm this, the most recent one: http://onefuriousllama.com/2011/09/11/another-study-links-intelligence-to-lack-of-religiosity/ Are non-religious people smarter ...
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3answers
925 views

Do people's IQs change?

In a 1968 study of the Pygmalion Effect: Rosenthal and Jacobson gave an intelligence test to all of the students at an elementary school at the beginning of the school year. Then, they randomly ...
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0answers
158 views

Do intelligent people tend to stay up later? [duplicate]

I heard that people with high IQs stay up late. I found this article which in turn refers to this study: S. Kanazawa, K. Perina, Why night owls are more intelligent, Personality and Individual ...
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1answer
1k views

Was it illegal to discriminate on the basis of intelligence in the United States?

Paul Graham wrote the following in March 2005: One advantage startups have over established companies is that there are no discrimination laws about starting businesses. For example, I would be ...
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1answer
17k views

Are big ears a sign of intelligence?

Some people claim that ear size and shape is related to intelligence. For example, this writer. Has any real research been done on this?
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1answer
2k views

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). ...
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1answer
310 views

Did this study on British pupil intelligence include all ethnic groups?

http://en.wikipedia.org/wiki/British_Chinese#Education The proportion of British Chinese achieving 5 or more good GCSEs stood at 70%, where it remained the highest out of all ethnic groups in the ...
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1answer
5k views

Is sense of humor somehow related to intelligence?

I've seen a couple of documentaries where they insinuate that sense of humor and intelligence could be related. I couldn't find the documentaries on the web, but the following are some studies ...
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0answers
936 views

Does juggling increase gray matter/size of the occipito-temporal cortex?

I have been led to believe by expert testimonies that juggling may lead to an increase in brain depth and size. At the moment I am not able to draw on much evidence. If this is a myth, I would ...
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3answers
2k views

Can CT scans performed on a child's head lower his or her intelligence?

The Daily Mail reports that X-rays and CT scans performed on a child's head could lower their IQ: The study is the first to suggest that medical X-rays to the head could harm the development of the ...
3
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1answer
898 views

Are women weak in religion and reasoning as compared to men? [duplicate]

When Prophet Muhammad compared men and women as follows in one of the hadith, which says women are weaker in reason and religious. While it is difficult to understand deficiency in religion I would ...
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1answer
2k views

Were our recent ancestors as intelligent as we are?

A good friend of mine made the following claim: If we would have a time machine and use it to gather newborns from different eras of human history and would put them in normal and nurturing ...
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2answers
5k views

Does brain mass have any correlation to intelligence?

According to many (I cannot find a source at the moment), Albert Einstein's brain weighed less than average. It is a common belief that there is no correlation between brain mass and intelligence. Is ...
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1answer
3k views

Does watching TV make you stupid?

I haven't watched TV since 1969. I worked in it for decades, and knew enough not to watch it. It makes you stupid, and my colleagues in the networks agree! Some of them would point out what a verbal ...
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1answer
20k views

Does solving Sudoku puzzles improve your mental abilities?

A lot of people I know see solving Sudoku puzzles as a way to train their minds. howtoincreasememorypower.com recommends doing a Sudoku puzzle a day to increase brain power. Researchers rank ...
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1answer
5k views

Does playing popular video games improve a child's IQ?

This article claims a study shows that the cognitive abilities of 60-77 year olds can be helped by playing two weeks of World of Warcraft. This article quotes a navy researcher as saying adults ...
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1answer
2k views

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?
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1answer
1k views

If children use calculators in primary school, is their learning impacted?

Others are against using calculator in lower level math teaching, saying that it makes children not to learn their basic facts, prevents students from discovering and understanding underlying ...