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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Why do people with exceptional reasoning skills in scientific fields still have irrational thoughts or beliefs?

For example, I have met many individuals who have exceptional reasoning skills in mathematics, but have otherwise irrational beliefs or biases that are unreasonable. I don't have any knowledge on the ...
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Confusion on the utility/ epsitemic value of Raven matrices

The Raven Matrices is considered by some as a rough measure of intelligence. Indeed, even Indian students applying to German university have to compulsirly write a test involving this concept to have ...
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Hey does anyone know about scoring on Raven’s Advanced Progressive Matrices? [duplicate]

I Just did the test in 40 minutes and scored 31/36. I m 30 years old. What would be my IQ be? Or where to find info about the topic? Link here How are Raven's Matrices scores converted into age-...
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Intelligence of a feral child

Children not exposed to language lose forever the ability to learn one and do not develop normal intelligence. Has it been assessed if their intelligence is anyway greater than a chimp which they say ...
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Compression of logical steps; multiple logical steps squeezed into one logical jump

I have read somewhere that as intelligence increases, more and more logical steps are chunked together, so as to allow for greater logical jumps. When doing mathematics, the different levels of "...
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Is anything known about pygmy intelligence?

I read that pygmies split from other human lineages pretty long ago, before modern humans appeared. That, and the fact that they still remain hunter-gatherers, makes me suspect that they might still ...
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Does education improve 'g'?

It is, I believe, well known that education improves iq scores. Does it improve 'g'? the association of education with improved cognitive test scores is not mediated by g, but consists of direct ...
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Which constitutes fluid intelligence more, inductive or deductive reasoning?

What is the correlation between these types of reasoning with fluid intelligence? Deductive reasoning is closely related to logic and mathematical proof whereas inductive reasoning is more of a ...
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How did the very rapid nature of Russian industrialisation/collectivisation affect peoples capacity for abstract thinking?

I am sure I read once about research conducted on villagers who were pushed very very quickly from very basic, premodern agrarian structures into collectivised, quota-driven, management-structure ...
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Is there a name for the gap between speaker's intention and listener's interpretation?

I apologise if this as been asked before, but I couldn't find anything online. Whenever there is an exchange of information from one person to another - such as if someone is speaking to someone else ...
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How does intelligence differ from predictive ability?

Is intelligence merely a predictive tool? We conceptualize situations using a predictive-based statistical framework since every fact/factor cannot be accounted for. This framework is reinforced when ...
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There an indirect causal effect of fluid intelligence on crystallize intelligence that is mediated by the manner in which people perceive the world [closed]

Evidently, the ability to abstract (fluid intelligence) has a causal effect on crystallize intelligence, that is, the greater the ability to abstract, the greater the acquired knowledge over time. ...
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Are correlations between intelligence domains expected to increase or decrease over childhood and adolescence?

I've been reading a lot of different theories about how intelligence develops over childhood and adolescence, and I'm wondering about one specific aspect of it: The change or stability of the ...
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What are the models/theories concerned with different in thinking types?

I have heard of the differences between analytical, synthetic and integrated thinking, often brought up as the qualitative differences correlated with IQ ranges, as opposed to the otherwise ...
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Given unlimited time can any Raven's Matrix Reasoning problem be solved by anyone?

I know untimed tests exist, but they're still under the constraint of testing people that have lives to get to. People have jobs, loved ones, classes to go to, lives to live, and as such even untimed ...
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How was the infant IQ test applied to Koko?

Apparently, a Gorilla named Koko took a number of IQ tests and scored an average of 80, their full range of scores being 70 to 95. The test used was the Cattell Infant Intelligence Scale. I don't ...
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Isn't fluid intelligence necessarily influenced by crystallized intelligence?

In this article, it is said: Conversely, Gf [general fluid intelligence] represents the ability to employ a type of mental operation to independently reason and solve novel problems; it does not ...
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Do different ethnic groups have the same standard deviation of the IQ distribution?

There is a lot of research suggesting that different ethnic groups either within US or worldwide if all plotted together would have distributions of IQ with different averages. The reasons for that ...
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What is verbal memory useful for?

A friend of mine did the Verbal Memory Test at http://humanbenchmark.com/ and got an extremely high score (almost 300 words). English is not his first language and he knew the meaning of only about ...
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Is there a theoretical maximum for IQ?

In "Eugenics: A Reassessment" Richard Lynn writes: The intelligence level of the population would be expected to stabilize at its theoretical maximum of around 200 after six or seven ...
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How applicable is the correlation between high IQ and academic achievement in guessing a child's IQ?

IQ is a highly reliable (reliable in the statistical sense) psychometric, ie. several IQ authorised IQ tests administered by a licensed psychologist should produce similar/identical results. This does ...
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Is there a correlation between high verbal thinking and aphantasia?

People with high verbal thinking process almost all their thoughts in literal words. People with high verbal-linguistic intelligence display a facility with words and languages. They are typically ...
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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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How to interpret genetic variance of IQ?

I am a layperson currently reading "The Bell Curve" and its various rebuttals such as "The Intelligence and How to get it". I do not want to go into controversies of the topics per ...
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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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Any ways to guesstimate IQ?

Is there any way to roughly approximate someone’s IQ simply based off of observing their behavior, mannerisms, speech, social interactions, etc? In other words, are their certain patterns of behavior ...
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Is High IQ equivalently a disorder like Low IQ

I was reading on the increased likelihood of mental disorders with high IQ. Bad News for the Highly Intelligent. I'm not sure I buy into the arguments completely but it does make me think that High ...
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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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Why do larger animals need bigger brains?

For example, we can assume that the average house cat is equally intelligent as the average tiger. The average tiger is about 100 times heavier than the average house cat. But its brain is also bigger ...
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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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How are IQ test scores affected by psychological stress or trauma?

Does mental stress or trauma have a significant impact on IQ test performance relative to baseline, and if so, how much? For example, if a person is affected by abuse, bullying, neglect, or some other ...
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How have mean raw IQ scores changed over time (e.g., over the last 100 years)?

I understand that by definition, the mean IQ is 100. And that over time IQ tests are updated to ensure that mean remains 100. But if IQ scores were not updated, what would mean IQ be now and how has ...
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Are there any ways to naturally speed up my reaction speed without any drugs?

I play a lot of video-games and did some research online and came to the conclussion that a certain set of things are linked to an above average reaction speed and an general improved cognitive ...
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Origin of the Intelligence question?

What are the roots of the Intelligence question, i.e. since when do "humans" think about what "Intelligence" means and where it actually comes from? I did some digging in the greek ...
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IQ-EQ oscillation

I know a guy who was very smart in school and university and had a high IQ. For example, in middle school he used to read high school science and math books like they're nothing but he had low EQ and ...
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Comparison of Grey Matter in regards to "Intelligence"?

Wasn't able to find anything - I'm writing an article about the associations between cortical grey matter and scores on cognitive Intelligence tests. There are lots of good resources which argue and ...
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IQ Heritability: from father vs mother?

I think on Wiki here it is suggested that IQ is inherited to some degree. But I can't find scientific information on whether it is more inherited from mother or father? e.g. if both mother and father ...
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Any neuroscience related intelligence theories?

Correlations between biological measurements and intelligence has been made in the past, e.g. blood flow or metrics like cortex size, though are there any specific neuroscience related intelligence ...
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What intelligence theory is being taught?

What's the current scientific and schooled (university or alike) consens as far as Intelligence theories are concerned? Which theory / model is currently (broadly) being taught? Please be specific and ...
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Savantism versus talent

How do savant skills respond to teaching? e.g. does a musical savant need study music to get better at it? I know there's a lot of literature on the phenomenon of savantism, both due to autism and ...
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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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If the instructions of a group intelligence test are misunderstood, are the results of that test invalid?

For example, a researcher is investigating synonyms and prepares a test. A participant undertaking the test incorrectly interprets the instructions, and understands the test to relate to antonyms ...
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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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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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Is the Wonderlic invalid if you have previously done other intelligence tests?

Years ago I did a fake wonderlic test on a website getting a bad score mainly because the test server delayed time in between questions but also the questions were harderd and not correctly ordered by ...
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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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Can Someone Explain How Fluid and Crystallized Intelligence was Discovered?

What is the difference between fluid and crystallized intelligence? How did Raymond Cattell deduce that our intelligence operates in these two different ways?
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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 general intelligence meant to underlie all intelligence?

Is general intelligence, supposedly measured by IQ, meant to underlie all intelligence, be the thing that accounts for all intelligence / ability, or does all intelligence account for general ...
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Why does IQ have a truncated normal distribution?

I know that the IQ statistic is designed to give it a mean of 100 and that you'll certainly never find someone with an IQ below 1 or above 300, but that tells us very little about the variance or ...
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