Questions tagged [iq]

For questions about intelligence quotient (IQ) scores, methods of assessment of IQ, and correlates of IQ.

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How true are Jordan Peterson's claims on IQ tests?

Disclaimer: I am aware that this topic has the potential of becoming high political, but I have asked it nevertheless in order to receive some clarification on the subject. Please back all of your ...
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Does Emotional Intelligence (EQ) demonstrate the Flynn Effect?

The Flynn Effect is a well-known phenomenon whereby Intelligence Quotient (IQ) test scores among the general public seem to rise over time. Does Emotional Intelligence (EQ) demonstrate the Flynn ...
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High IQ and problem solving

Are there any studies, which shows that High IQ people are good or average or bad in problem solving/other professions? Need to know that High IQ correlates to very good problem solving skills or ...
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Are IQ scores above 200 statistically meaningful?

IQ scores are supposedly put on a normal distribution with a standard deviation of 15. The population of the world is about 7,674,000,000. So, if I know my statistics and made no numerical errors, the ...
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Any conclusive statement on the controversial book The Bell Curve

The Bell Curve: Intelligence and Class Structure in American Life, an empirical study arguing for IQ correlations with success, genes and race apparently sparked a big controversy in the US since 1992 ...
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What research is there into content of conversations vs IQ?

I wonder if there is any research into the content of a conversation between two people and how that relates to IQ. My casual conversations are that people of, lets say a more humble background, which ...
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Chess performance and IQ

Are there formal studies relating chess performance (e.g. ELO) and IQ? I found a proposed Levitt equation (also mentioned in thechessworld): Elo ~ (10 x IQ) + 1000 ...
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Where can I find the norms for Raven's Standard Progressive Matrices?

I've never had my IQ measured before. After some research I decided to take the Raven's Standard Progressive Matrix test. After Googling I found this Wikipedia page. This test was linked on the ...
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Is your fluid intelligence malleable in the positive side?

I was going through this and it struck me that your raw IQ reaches its peak somewhere between 18 and 21. I came across the following article which says meditation could be very helpful to boost your ...
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Can some one operate 15 points lower during some part of the day and then return to normal?

Few days back I took an IQ test (online mensa norway) and found my IQ score to be 85. I actually had my IQ professionally tested 16 months ago by a psychologist when I was 18, and found out that I am ...
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Are there dual-process IQ tests?

I mean tests that try to measure system 1 and system 2 performance separately, but more than short lists of trick questions which unfortunately seem to make the bulk of the empirical work in this dual-...
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Is it true that IQ and verbal ability are not much correlated?

I read that people with high IQ are not necessarily good or better speakers or writers. I wonder if that is true. I read that for instance left-handed people are overrepresented among high IQ people ...
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How is the mean for the Cattell IQ tests calculated?

British Mensa uses Cattell Culture Fair and Cattell III B tests. The Cattell Culture Fair Test has a mean and SD of 100 and 16 respectively. The Cattell III B has a mean and SD of 100 and 24 ...
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A primitive model or way of describing the "functionality" of intelligence

I spent quite a bit of time philosophizing about what intelligence actually (as in function-wise is) and I came to the conclusion that it consists of two (or so) properties Number of operations per ...
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What is the Reason Behind This Individuals Variability in Raven's 2 Clinical Edition Scores?

The Raven's 2 Clinical Edition developed by Pearson features an item bank comprised of questions numbering in the hundreds. Because of this each test differs from the other with possible combinations ...
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Is spatial IQ the main form of intelligence required to play board games like Chess and Go?

I believe the game of Go is heavily dominated by spatial IQ. Not sure about chess. Can you explain why or why not?
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What is the correlation between posting GIFs in group chats and IQ

recently several major Telegram channels I am member of have been heavily ostracizing people posting gifs in such channels, and claiming that it's a sign of retardation. I would not want to jump to ...
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Is practice effect on matrix-based IQ tests largely attributable to question feedback?

I took the TRI-52, which is strongly correlated with other cognitive ability tests. When I first took it, I was tired, my mind was foggy, and my ADD was acting up -- I got a score of 116. The ...
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How is the weight of Weschler subscales calculated towards general IQ?

How do the Wechsler IQ (e.g. WAIS III) tests indices (e.g. verbal IQ, performance IQ) and sub-scales contribute to overall IQ? What are the weights of each? If a person scores above 99.9th (maximum) ...
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Is Flynn adjustment for IQ scores viable?

I was IQ tested with a test battery that was normed 27 years ago when i was 8 (WISC-R)(It was normed 27 years ago when I was 8). My Verbal IQ score was 122 and my Performance IQ score was 130. I found ...
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Validity of Open Online IQ test

I want to measure IQ of college students for a research project I am working on. After searching for valid IQ test for research that is also low cost/free, I came across this site-https://...
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Is AFQT geared towards estimating crystallized intelligence?

In a few papers I have read claims that AFQT is geared largely (mostly?) towards measuring crystallized intelligence. However, https://study.com/academy/popular/difference-between-the-asvab-afqt....
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Scoring of the Wechsler Nonverbal Scale of Ability

How is the global test score supposed to be computed based on the individual scores in the Wechsler Nonverbal Scale of Ability? Let's say the sub-test scores are A, B, C, and D. From there: how do ...
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Is there a basic mathematical relationship between IQ and learning speed?

Is there a basic mathematical relationship between IQ and learning speed? ... such as linear, exponential, etc? For example, if some number of people with an approximate IQ of 100 (95-105) take X ...
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Cognitive ability and possible careers

I have a couple of times read articles saying something like "If you have an IQ of 130 you can become a physician, high school math teacher or lawyer. If your IQ is 95 you can work at a kindergarten, ...
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Is it possible, on an individual level, that someones fluid intelligence can "spike" in ones early twenties?

I think IQ and fluid intelligence are interrelated enough that I can use them interchangeably. I was wondering if on an individual level, if it was possible that ones IQ can jump a certain amount of ...
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Where can I find a real, reliable, iq test that someone could take multiple times?

I'm trying to find a real, reliable, accurate IQ test, that someone could take multiple times (so maybe has randomized questions?). It is for a study involving IQ and video games.
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Is there a direct correlation between visual intelligence and mathematical intelligence?

For example, are they processed in the same areas of the brain, etc.?
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In non-human animals, does general intelligence apply?

In humans, there is this concept of general intelligence, which says that if someone is smarter than you then they are smarter than you at all activities that rely on intelligences. Do other animals ...
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Is intelligence and social disadvantage cumulative across childhood development?

The question is notwithstanding how IQ seems relatively fixed through the lifespan I think that's the same thing as asking the question independent of whether IQ has enough validity to scientifically ...
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What lies at the core of human brain's processing, is it a simple retrieval from memory or actual computation?

For example, let's say I am solving a tough Calculus problem, as is my friend. I have practised calculus problems for several months now. While my friend is new to it. So, I solve it easily while my ...
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How strongly does IQ correlate with intelligence as it's commonly understood?

What is the strength of the correlation between IQ and intelligence where by intelligence I mean the "performance of brain" - the general efficiency of solving mental tasks?
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How to improve domain expertise in mathematics?

First off, I want to say that I read several related questions about IQ and fluid intelligence here on Stack Community and I need some further clarifications about domain expertise. A few months ago I ...
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Is the relationship between IQ and brain processing speed/power? Is it linear, logarithmic or other?

Is the relationship between IQ and brain processing speed/power linear, logarithmic or other? For example lets say you two groups: Random group of 25 people each with an IQ close to a 100 IQ (95 - ...