Skip to main content

Questions tagged [intelligence]

For questions about levels of abstract thought, understanding, self-awareness, communication, reasoning, learning, having emotional knowledge, retaining, planning, and problem solving, their roles in education, testing such levels, and deficiencies in these levels.

Filter by
Sorted by
Tagged with
34 votes
2 answers
215k views

How valid is Lumosity's Brain Performance Index and what normative information is available?

Background There is a test called Lumosity's Brain Performance Index. A sample profile of scores might be: ...
40pro's user avatar
  • 451
27 votes
2 answers
9k views

How is intelligence correlated to beauty?

Recently, I read several interesting questions on the web about the relationship between IQ and general intelligence and physiological symmetry. But more importantly, what explains the correlation? Or ...
Yuruk's user avatar
  • 371
27 votes
1 answer
5k views

Is there a term for individuals who can "visualize" numbers and advanced mathematics?

I recently saw an episode of 60 Minutes about Jacob Barnett, a 13 year old boy who is currently attending advanced physics classes at a local university and was portrayed by the show as being a child ...
Josh's user avatar
  • 5,390
25 votes
2 answers
2k views

Does language and/or culture affect an individual's cognitive capacity?

Some languages have multiple expressions to identify, address, comprehend, and interpret a single concept and/or experience. Are limits placed on understanding and describing aspects of cognition due ...
CheeseConQueso's user avatar
25 votes
3 answers
19k views

Intelligence and marriage satisfaction

A recent letter by a Princeton alumni stated: Men regularly marry women who are younger, less intelligent, less educated. It’s amazing how forgiving men can be about a woman’s lack of erudition,...
Jeromy Anglim's user avatar
24 votes
2 answers
8k views

Free online intelligence test with norm table, high reliability, and must be printable?

I am looking for a general intelligence test which meets the following requirements: available online for free there is a table which translates "points" to IQ (I don't want a hidden online ...
Julia's user avatar
  • 341
18 votes
2 answers
6k views

Does super-intelligence necessary lead to consciousness, self awareness, freewill or emotion

After seeing this talk, the question popped in my mind. The idea is that as soon as a system is complex enough or intelligent enough, it able to act on its own. It seems to be a common belief. For ...
Benjamin Crouzier's user avatar
18 votes
4 answers
4k views

Public domain scientific intelligence test available for use in research

The IPIP is an example of a public domain scientific personality inventory that can be used for research. Are there any good public domain scientific measures of intelligence? Requirements Do not ...
Jeromy Anglim's user avatar
18 votes
1 answer
1k views

What are the IQ correlations between relatives?

Bouchard and McGue (1981) wrote a review article (linked here) that summarized the correlations between relatives. McGue asserted in a recent talk (that I'm not able to link) that he's not aware of ...
user1205901 - Слава Україні's user avatar
17 votes
1 answer
928 views

Cultural brain hypothesis and gene-culture co-evolution

Recently, Joseph Henrich of UBC has been promoting his cultural brain hypothesis. The goal is to explain a selection pressure behind the development of the human brain and general intelligence. The ...
Artem Kaznatcheev's user avatar
16 votes
2 answers
59k views

What is the meaningful difference between someone with a 145 IQ compared to a 100 IQ?

I am a lay person and new to this, and while I do understand that 145 IQ means 3 SDs up from the mean, I want to have a rough idea of what it means in real-life examples, from people who have ...
Enne's user avatar
  • 163
15 votes
5 answers
18k views

Is there an accurate online IQ test for measuring 160+ IQs?

Is there some (preferably free) online and accurate IQ test? One which does not give me an genius IQ and then tries to sell me a diploma. I need one which measures upto 160 sd15 (or higher). Such a ...
z457731's user avatar
  • 151
14 votes
2 answers
13k views

Does high IQ correlate with good social skills?

Are people with a high IQ more likely to have good social abilities? Are they more likely to be popular? Wikipedia lists that IQ helps with school performance, job performance and income. It's ...
Christian's user avatar
  • 896
14 votes
2 answers
10k views

What transient factors affect performance on IQ tests?

While performance on intelligence tests aim to measure an underlying relatively stable trait, there are presumably a range of transient factors that could temporarily lower or possibly even raise ...
InquilineKea's user avatar
  • 2,317
13 votes
3 answers
9k views

Why have historically most inventors been men?

I noticed something strange when I looked at about.com's list of famous historical inventors. You can see that most of the inventors are men, and only a few are women. Can this be explained by ...
xralf's user avatar
  • 373
13 votes
3 answers
10k views

What is the scientific support for Einstein's claim about the negative effects of reading too much?

Einstein once said: Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of ...
Kenshin's user avatar
  • 527
13 votes
1 answer
5k views

Are IQ tests "biased" against individuals with Asperger's Syndrome?

One person makes the claim over at his response to the Quora question Do people with Asperger's have above-average IQs simply because the ones with below-average IQs simply get diagnosed with autism ...
InquilineKea's user avatar
  • 2,317
13 votes
1 answer
1k views

Is there any evidence that fluid intelligence is malleable?

So although working memory training was somewhat of a fad (and I guess some benefits did come out of training, like improved attention/executive function), reviews such as Melby-Lervåg et al. (2016) ...
PKiani's user avatar
  • 211
13 votes
1 answer
853 views

What are the benefits of dyslexia?

Reading the Wikipedia article on Dyslexia, it sounds very negative. The article defines Dyslexia as a learning disability, which I understand it is classified as. However, knowing individuals with ...
Josh's user avatar
  • 5,390
13 votes
1 answer
1k views

What is the effect of studying logic or mathematics on general thinking skills?

I frequently hear comments from people to the effect that "Studies have shown that students who take (intro) logic courses don't show any signs of improvement in logical/rational/critical thinking." ...
Alex Kocurek's user avatar
13 votes
2 answers
739 views

Does intelligence cause greater alcohol consumption?

I just stumbled on a blog post that asserts that more intelligent people drink more than less intelligent people. The author writes: Controlling for a large number of demographic variables, such ...
Jeromy Anglim's user avatar
12 votes
3 answers
815 views

How is it possible for psychometricians to develop IQ tests for people smarter than them?

After all, while psychometricians definitely have above-average IQs, they probably don't have IQs over, say, 160. If psychometricians already know what the right answers are (and how to obtain the ...
InquilineKea's user avatar
  • 2,317
12 votes
2 answers
2k views

Effect of Physical Exercise on Intelligence/IQ

I am interested in empirical research relevant to answering the following questions: What is the effect of physical exercise on IQ/intelligence? Does any such effect vary by type of exercise? e.g. ...
Shan's user avatar
  • 315
12 votes
2 answers
50k views

Does masturbation in men negatively affect cognitive processes?

Gary Wilson has mentioned that porn and masturbation is an addiction that negatively affect mental performance. Moreover, there is some "pseudo-science" claiming that abstaining from masturbation ...
NebulousReveal's user avatar
12 votes
3 answers
4k views

How to estimate IQ for public figures?

Background: I read a question on Quora that asked how intelligent is Barack Obama. A wide range of arguments were presented. The tone of the answers was not neutral because of the political context of ...
Jeromy Anglim's user avatar
12 votes
2 answers
1k views

Correlation between "mechanical aptitude" and IQ

I am an economist working in labour market issues. It is common in my field to divide jobs between those who are intensive in "manual" tasks and those who are intensive in "cognitive" tasks (e.g. here)...
luchonacho's user avatar
12 votes
2 answers
28k views

To what extent is time to complete an intelligence test incorporated into the IQ score?

In this previous question on scoring IQ tests the OP asked about the effect of speed of test, but it was a bit peripheral to the core question. So I thought I'd ask it as a separate question. To ...
Jeromy Anglim's user avatar
12 votes
2 answers
816 views

Why do men have greater variance than women in mental test scores?

Hedges and Nowell (1995) write that Sex differences in central tendency, variability, and numbers of high scores on mental tests have been extensively studied. Research has not always seemed ...
user1205901 - Слава Україні's user avatar
11 votes
4 answers
8k views

Is there a correlation between high IQ and creativity?

Is there a correlation between high IQ for example over 125 and creativity? Is creativity improved or does its importance simply diminish? Maybe there could also be confounding variables as well? It ...
InquilineKea's user avatar
  • 2,317
11 votes
1 answer
2k views

Is Fluid Intelligence Dropoff With Age an Established Fact?

The picture below represents the idea that fluid intelligence declines with age. Is this commonly accepted as true and established, even if fitness/learning levels do not decline?
VSO's user avatar
  • 59
11 votes
3 answers
15k views

What causes a person to be curious, inquisitive and explorative?

Why do humans (primates) tend to be curious, inquisitive and explorative? They want to know things that they do not. They explore stuff in an attempt to find something new which makes them ...
Bleeding Fingers's user avatar
11 votes
3 answers
739 views

What is the distribution of performance in academic programming subjects?

On Programmers SE there is a popular question about scientific evidence for whether some people either are or are not able to program. One person cites an unpublished manuscript by Dehnadi and ...
Jeromy Anglim's user avatar
11 votes
3 answers
14k views

Why don't people read instructions?

Some people are very careless when reading instruction on a work task they've been given or in reading any other kind of text. They would skip some of the sentences, not get deep into other and ...
drabsv's user avatar
  • 955
10 votes
5 answers
972 views

Does an exceptional working memory inhibit intelligence?

According to the Fox News article "Chimps Smarter Than Humans in Memory Test" chimps were able to significantly outperform humans in a simple working memory task. I quote one part of the article in ...
Kenshin's user avatar
  • 527
10 votes
3 answers
3k views

Does motivation and interest correlate highly with IQ and can someone be smart but perform poorly in a particular field?

Suppose a person is considered intelligent based on his IQ score. For example, suppose Bob has a high IQ score and is very interested in pure mathematics. He would most probably excel in this field. ...
intelligentguy122's user avatar
10 votes
1 answer
353 views

Does classical music enhance intelligence in children more than other genres?

This question is based on a previous question I have written on Parenting SE: Does playing classical music for infants and young children make them smarter? Question: Are these claims actually ...
Stan Shunpike's user avatar
10 votes
1 answer
45k views

How are Raven's Matrices scores converted into age-adjusted IQ?

There are IQ tests based only on Raven's matrices. I wonder how a raw score on such a test is "scaled" to an IQ result. As we all know, IQ results depend on the age of individual tested. So ...
xemlmrx's user avatar
  • 103
10 votes
1 answer
4k views

How can psychometry measure the very high IQ's in adults?

From Wikipedia's page on Mental age, we learn that: Originally, the differences between mental age and chronological age were used to compute the intelligence quotient, or IQ. This was computed ...
quark1245's user avatar
  • 201
10 votes
2 answers
480 views

What is the optimal exercise regime for improving cognitive functioning?

It seems that researchers agree that physical exercise increases cognitive abilities. This seems to work universally for all ages: children, adults and old people. It is suggested that everyone ...
Max's user avatar
  • 201
10 votes
2 answers
17k views

Is there a relationship between schizophrenia and genius?

When reading the biography of renowned personalities recognized as "geniuses" such as great mathematicians, painters or poets, I was surprised by the fact that a great portion of this population that ...
jihed gasmi's user avatar
10 votes
2 answers
236 views

Can emotional IQ be learned?

Can emotional IQ be learned? This question concerns both the general population and those with lower than average emotional quotients such as individuals with Asperger's, or Autism spectrum disorder ...
jiniyt's user avatar
  • 675
9 votes
1 answer
7k views

Is there a correlation between EQ (EI) and IQ?

Is there a correlation, positive or negative, between emotional intelligence and IQ?
Philip Seyfi's user avatar
9 votes
2 answers
7k views

Does practicing Ravens Progressive Matrices tests inflate your IQ score?

I'm 16 years old and a year ago I got obsessed about IQ. I took a Raven IQ test and scored 115. Then during the autumn and winter of last year I took some more IQ tests using RPM and scored 126 on ...
ultraboss101's user avatar
9 votes
1 answer
6k views

Does IQ affect learning speed?

Supposedly, people of higher levels of intelligence do learn faster than people of lower levels of it. But this is an awfully coarse observation, and different people can learn at drastically ...
InquilineKea's user avatar
  • 2,317
9 votes
2 answers
423 views

How do cognitive scientists measure creativity?

Einstein said once something like creativity is more important than intelligence. Intelligence as it is measured is really one's speed and efficiency at processing information. How one processes the ...
201044's user avatar
  • 301
9 votes
1 answer
50k views

How to calculate IQ score based on raw score and adjust for age?

I am having a hard time grasping how IQ scores are calculated. I think it has something to do with their age score ratio multiplied by 100. Say I have a test that holds 30 questions. How would I ...
ProfessorIQ's user avatar
9 votes
1 answer
2k views

Is the decline of fluid IQ with age less severe for professors and scientists than it is for other people?

This article in Time magazine suggests that engaging in challenging mental tasks may be associated with lower rates of mental decline in older adults. The article states that: In one study, ...
InquilineKea's user avatar
  • 2,317
9 votes
2 answers
409 views

Can the daily use of two or more languages impact cognitive capacity?

I've read the following threads: Is it possible to think in a second language? Does language and/or culture affect an individual's cognitive capacity? is it possible to think without language? ...
icosamuel's user avatar
  • 473
9 votes
1 answer
6k views

How is the g-factor of intelligence calculated?

I am currently reading Dr. Richard Haier's book The Neuroscience of Intelligence and I am a little confused about the g-factor. Note that I have no education in psychology outside of general ed ...
thevengefulco's user avatar
9 votes
2 answers
4k views

Does schizophrenia cause a loss of intelligence?

Does having schizophrenia cause a loss of intelligence (as measured by IQ tests)? How does present research comment on this connection, if it exists? Furthermore, is it possible to recover from this ...
user avatar

1
2 3 4 5 6