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.
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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:
...
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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 ...
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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 ...
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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 ...
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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,...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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) ...
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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)...
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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 ...
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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." ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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Is there a correlation between EQ (EI) and IQ?
Is there a correlation, positive or negative, between emotional intelligence and IQ?
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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 ...
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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 ...
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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 ...
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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 ...
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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, ...
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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?
...
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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 ...
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Childhood IQ and pattern of drug use in adulthood
A study by White et al. (2012) using a large UK sample concludes that
In this cohort, high childhood IQ was related to illegal drug use in adulthood.
Note that this does not refer to habitual ...
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Procedures behind establishing the IQ scale
There are some good answers about testing individual's intelligence, and about mathematics side of the IQ scale, e.g:
When current IQ tests are developed, the median raw score of the norming sample ...
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