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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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55 views

What can reduce the cognitive abilities in a common workplace? [closed]

There are many types of work that mainly create benefit by thinking, often called desk jobs. The output is based on the cognitive abilities of the person. It typically happens in an environment we ...
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1answer
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Early STEM Education Impact

I'm looking to find studies that examine when STEM education is most critical (e.g. what years of early STEM education have a significant impact on college/uni-level students, as measured by their IQs/...
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Paradoxical thoughts in complex thinking like god concept

Concerning some of the mental states that need to be solved by a complex problem (Complex Thinking of Edgar Morion), for example in relation to the concept of God there is some kind of paradox or ...
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Is type-II error correlated to g?

IQ tests often feature puzzles where the subject must identify and extrapolate a pattern in a sequence of symbols. One might hypothesize that someone who is good at doing that would also be good at ...
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How do we differentiate auditory-sequential/visual-spatial processing from IQ?

Are these processors simply categories within IQ? Are there only rough overlaps? Is auditory separate from sequential? Does auditory, etc. have differentiable subcategories as well? Thanks!
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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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1answer
90 views

if IQ is inherited, is it from father or mother?

I think there is some research that IQ is inherited, but is it inherited more from the father, or mother, or both?
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1answer
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Timing mental arithmetic training for specific event

A test will take place in two months time. It will take place on 12:00 PM, and the test takes one hour. One has to perform tasks such as a basic IQ test, mental arithmetic and solving a sudoku. These ...
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Is a deeper capability of feeling emotions linked to a higher intellectual intelligence?

Kazimierz Dąbrowski, in his Positive disintegration theory talks about overexcitability as the most evident aspect of developmental potential. He distinguishes five types of overexcitabilties: ...
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Relationship between intelligence (IQ) and Big 5 Personality

Is there any relationship between intelligence and big five personality traits?
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1answer
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Impact of pre-college schooling on IQ (WAIS)?

Introduction I'll give context for my question from personal experience, but then I'll generalize my question so that it's broadly useful. When I was a child, my mother home schooled me. When I ...
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Is there any evidence that the Dunning-Kruger Effect applies to self-appraisals of soundness or reasonableness of judgement?

The Dunning-Kruger Effect is the peculiar phenomenon wherein those with the lowest ability also have impaired metacognition, resulting in a peculiar overestimation of their ability e.g. stupid person ...
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1answer
237 views

What kind of psychologists study 'genius'?

Which sub-field of psychology deals with differences in human intelligence? As in, what makes someone an intellectual genius? Or, maybe a bit more humbly, why are some people more intelligent than ...
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How is intelligence in children measured?

Intelligence is dependent on mental age and education. So how can an IQ test be performed to check the mental/intellectual capabilities in children?
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Bounds on skew and kurtosis of IQ

The question of whether IQ is Normally distributed, or instead follows e.g. a Pearson type IV distribution, has been debated since at least the 1910s. The quotient- and deviation-based definitions ...
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Why are we the smartest species on the whole known universe?

Why? One possible reason would be because intelligent give humans, and only humans, evolutionary edge compared to their peers. Gorilla, for example, are strong because strength give Gorilla ...
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Can you improve your intelligence by practising? [duplicate]

According to this article https://www.nature.com/articles/ng.3869 your intelligence as an adult is to 80 % determined by genetics: Despite the well-known difference in twin-based heritability for ...
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Can Jason Padgett’s head injury be replicated? [duplicate]

In 2002, a man named Jason Padgett was mugged and suffered a concussion. Now he sees the world through geometric shapes, and he is basically a mathematical genius. If a neuroscientist was to examine ...
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1answer
471 views

Does a non-knowledge based, or knowledge corrected IQ test exist, and what are its results per race?

If you google IQ gap race and open the google images, you will see many diagrams showing the differences. I went on some IQ test pages, and I noticed that the test includes mathematical ...
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How is that Bell Curve can fit all the existing IQs exactly on the graph? [duplicate]

Bell curve is useful for many different branches of science, business, and economics. IQ is something that defines a person's intelligence. How is that Bell curve or Gaussian distribution can fit ...
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1answer
74 views

Are there researched approaches to learning a subject more quickly?

TLDR at bottom. So from my knowledge(correct me if I'm wrong) there is no evidence to suggest that we can improve general intelligence. But what about improving skills/intuition in specialized fields ...
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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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Predicting workplace performance of job applicants? [closed]

As an employer who interviews engineering candidates, I'm interested in using the state of the art findings in psychometrics/psychology to predict which candidates are the most likely to be successful....
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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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1answer
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Paper discussing economic rationale of IQ-based hiring practices

TL;DR I'm looking for a paper that explicitly quantifies the ROI an employer would likely derive if personnel selection involved intelligence testing and only those +2 SD in cognitive ability were ...
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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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1answer
2k views

Is writing ability associated with IQ or intelligence?

Is greater ability to write well i.e. analysis of books/literature/research papers associated with higher I.Q. scores? Statistically speaking, is writing ability normally distributed like I.Q. is?
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118 views

Is it possible to enhance one's learning ability? [duplicate]

I understand that the so-called brain training games like Lumosity doesn't work. But is there any exercise ( mental or physical) that I can do or medicine pills that I can take, that are proven to be ...
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Which computer video games can improve intelligence, barring Medal of Honor?

Source: Intelligence and How to Get It: Why Schools and Cultures Count (2009). p. 49.   We have every reason to believe that these sorts of visual exercises actually improve fluid-intelligence ...
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How does aging effect performance at maths and science?

How does aging effect performance at maths and science? Clearly, it effects intelligence as measured by iq tests. But I wondered, is that reflected in e.g. mathematicians invariably doing their best ...
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Correlation of g and Honesty, Rationality, etc?

Are there any meta-analyses reporting the correlations of g (IQ, general mental ability) with: Honesty-Humility (e.g. in HEXACO model). I know Conscientiousness (of Big Five) generally has zero ...
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1answer
396 views

What does it mean statistically for there to be significant differences in average IQ scores between racial groups?

Charles Murray (in his book, "The Bell Curve") reported that there are real differences between the mean IQ scores of different racial groups. He also points out that IQ variation within said groups ...
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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 ...
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1answer
603 views

What is the difference between problem solving and intelligence?

What is the difference between problem solving and intelligence? All I know is that the tower of hanoi is thought of as a problem solving test, perhaps due to its lack of automation, I don't know. I'...
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1answer
305 views

What is the Golden Standard of Testing Fluid Intelligence?

Not much to add to the title- what is the currently accepted "best" test of fluid intelligence? How was it determined to be the best?
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What does 'Taxonimize' mean here?

I was reading a news article about increasing IQ and one psychologist wrote Many of the changes in IQ are correlated to changes in schooling. One way that school increases IQ is to teach children ...
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1answer
68 views

Test to evaluate attention in Autism

I am looking for the most reliable and widely used tests for attention measurement in autistic persons. Can anybody help me to find such tests? I have read about some IQ tests including DAS, WASI and ...
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1answer
65 views

Multiple-stratum intelligence models

My question concerns the mathematics of multiple-stratum models, about which I've not found much that's quantitative, so excuse my inventing my own notation to explain my thoughts. In models such as ...
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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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1answer
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Do men, on average, have a higher general intelligence score?

I'm aware of this study that was linked during an argument: "Sex differences in brain size and general intelligence (g)" and this question Gender differences in IQ among undergraduate psychology ...
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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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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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297 views

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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Do stimulants increase the IQ tests score for everyone?

There is some meta-analytic evidence that stimulants increase the IQ test scores of ADHD children by 2 to 7 points (Jepsen et al., 2009). Although giving stimulants to non-ADHD children may be ...
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Evidence for existential depression as a distinct subtype?

Obviously the DSM doesn't see it as such, but the idea of Irvin D. Yalom appears to have some traction at least in magazines: Irving Yalom, in 1981, wrote about near necessity of an existential ...
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A doctor told me that cephalic index can be used to measure human intelligence, is it true?

I am roommates with a maxillofacial surgeon. He told me that during his studies he read that cephalic index can be used to measure intelligence. And he further explained that as Africans and women ...
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1answer
620 views

What is the rationale for the normal distribution of intelligence?

What is the rationale for the normal distribution of intelligence? I'm asking what the rationale is for saying that 68% of variance within intelligence falls within 1 standard deviation either side ...
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1answer
2k views

Link between visual-spatial + verbal working memory and intelligence/academic achievement?

What is the link between someone's visual and spatial working memory, their verbal working memory, and different types of cognitive abilities or tasks? More specifically, intelligence tests (WAIS, ...
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1answer
467 views

Is it possible to calculate the probability of a child having an IQ in a certain range based on their parents' IQ?

For instance, if two parents have IQs of 160, can one calculate the probability that their child has an IQ over 160?
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How can tacit knowledge be measured?

Question 1: If tacit knowledge is that which can't be written as declarative facts or communicated easily, then how can scientists measure how much of it someone has in a lab? Question 2: Is it true ...