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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2
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1answer
10 views

What is “perceptual competence”?

I have no idea what perceptual competence is? Does anyone know about it? I found no information about it on the web.
6
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1answer
139 views

Is there a relation between speed of executing a task and ones intelligence?

I recently came across a code refactoring problem. Considering the risk of getting into a risky bug later I switched to my usual mode of think and solve it, rather than go and make the changes fast. ...
2
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0answers
34 views

What role (if any) does verbal intelligence play in one's aptitude for science or mathematics?

I am looking for scientific literature that suggests a link between verbal intelligence (i.e. one's capacity for reading comprehension and use of language) and one's aptitude for working with or ...
4
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2answers
45 views

Is the Flynn effect in conflict with other studies of intelligence heritablity?

Studies comparing identical and fraternal twins, or occasionally identical twins reared apart have mostly concluded that there is a pretty high heritability of IQ. These studies, in particular the ...
1
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1answer
50 views

Full list of the capabilities of human brain [closed]

I am studying the concept of multi-tasking. The premise upon which I am asking this question is my belief that multi-tasking is a myth(as discussed in a few books on the same topic) and that the brain ...
8
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2answers
911 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 ...
2
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1answer
73 views

Does high IQ give cause to doubt an ADHD diagnosis?

My friend was diagnosed with ADHD as a kid, but her parents disagreed with such a diagnosis on the grounds that she had a high IQ which was discovered when her psychologists and psychiatrists were ...
5
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0answers
35 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 ...
8
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4answers
2k 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 ...
1
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1answer
65 views

Why would I be asked to count backwards by 3, from 100 in a psychological test?

On an initial mental health consultation with a psychiatric nurse practitioner, I was asked, among many other odd questions, to count backwards by three. 100, 97, 94... This was quite a number of ...
4
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1answer
59 views

Does deep, slow breathing increase mental performance?

Emotional Intelligence 2.0 said that breathing deeply and slowly increases mental performance, but I couldn't find any studies that really study the claim, and the book is a self-help book, which tend ...
7
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2answers
2k 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 ...
3
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2answers
177 views

Can a person be brilliant even though slow at resolving problems?

Can a person be very intelligent, able to solve difficult problems if given enough time, yet really a slow thinker? Especially if nervous. Could such a slow thinking brilliant person get all the ...
3
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1answer
37 views

Taking into account reliability of Raven's Matrices and Self Monitoring tests

I've results of two tests administered to university students: the 18-item true-false version of the Self-Monitoring Scale (Snyder & Gangestad, 1986); the Raven Progressive Matrices Test (John ...
2
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0answers
43 views

Is the logic of “Herrnstein's syllogism” sound, and are its premises true?

Herrnstein (1973) wrote My theory hinges on an argument in the form of a syllogism: 1) If differences in mental abilities are inherited, and 2) If success requires those abilities, and 3) ...
4
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2answers
73 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 ...
2
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1answer
75 views

How to interpret intelligence test scores for an individual who has taken a test multiple times in quick succession?

Specific context: A test subject took the same Raven's Standard Progressive Matrices IQ test three times and first scored 115, then 107, and finally 143. The same test was taken three times within 3 ...
3
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0answers
29 views

Are there any mental activites that can be detrimental for intelligence?

It is well known that we get better at the things we practice, but is it possible to stimulate the brain with activites in such a way that general or spesific intelligence is weakened? Also, are ...
3
votes
3answers
108 views

IQ and Performance in Different Fields

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. ...
2
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0answers
22 views

Are results of various cognitive tests meaningless if the subject has achieved them through training?

What I mean by meaningless is whether or not they lose their predictive power outside of the specific test employed to evaluate some facet of cognition. I don't study the cognitive sciences, but ...
9
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5answers
502 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 ...
1
vote
1answer
293 views

How does cognitive science explain the origins of intuition and intelligence, that accurately describes the laws of nature?

What is the origin of non-incremental, revolutionary intuition and intelligence? For example, a human mind like Albert Einstein's can "come up" with revolutionary ideas and theories that correctly ...
2
votes
1answer
33 views

Quick responses/Time & lintelligence

Is the ability to answer a given question correctly quicker a measure of that individual being more intelligent than the person who answered correctly, but slower (This based on both individuals ...
7
votes
1answer
2k 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 ...
3
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0answers
54 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 ...
5
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2answers
144 views

Gender differences in IQ among undergraduate psychology students

While marking undergraduate coursework relating to gender differences, it occurred to me that there could well be systematic effects of gender on IQ among the undergraduate populations relied on for ...
2
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1answer
25 views

What is general fluid intelligence?

I'm currently reading about executive control, a lot of papers (e.g. Kane and Engle 2002) discuss general fluid intelligence but don't explain it. What is general fluid intelligence?
5
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1answer
1k views

How does raw IQ change over the lifespan at the group-level?

In the classic review of intelligence research (Intelligence: Knowns and Unknowns), Neisser et al (1996) write the following Stability. Intelligence test scores are fairly stable during ...
7
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0answers
124 views

What is the optimal exercise regime for improving cognitive functioning?

It seems that researchers agree that exercise increases cognitive abilities. This seems to work universally for all ages: children, adults and old people. It is suggested that everyone should ...
3
votes
1answer
57 views

Is there a relationship between body composition and intelligence?

Does being fat or thin have any significant effect on cognition? For example, I have observed some very fat people who are extremely intelligent and some very thin people that are not and vice versa. ...
29
votes
2answers
185k 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: ...
3
votes
1answer
61 views

Sleep deprivation and task performance

Case: In case of an adult, the average adult sleep time required is 7.5 to 8 hours. Suppose the person (aged between 23-29) has slept only 6 hours, or less than the average time (7.5 to 8 hours). ...
3
votes
1answer
115 views

Is critical thinking associated with IQ?

I consider myself a person with reasonable intelligence. In my job, I require a lot of critical thinking. I am good at think laterally, but sometimes I feel I missed important critical evaluations of ...
4
votes
1answer
417 views

Dyslexia and IQ

Background Information of my questions: At the age of eight I was "diagnosed" with Dyslexia, I am now 47. I went from not being able to read and barely able to write to a college reading level in 9 ...
6
votes
1answer
138 views

How are the questions in IQ tests formulated?

I would like to know how psychologists come up with the questions they include in an IQ test and how they know that those questions will accurately measure intelligence? How has it been proved that IQ ...
5
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1answer
1k 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 ...
10
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1answer
1k 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. ...
7
votes
1answer
15k 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 "scaled" to an IQ result. As we all know, IQ results depend on the age of individual tested. So I was ...
8
votes
3answers
855 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 ...
3
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1answer
114 views

Does social interaction increase intelligence?

Unless I am mistaken, I recall hearing an English teacher say that social interaction can increase IQ, but I found no sources discussing this when I searched on Google and Google Scholar for it. So, ...
1
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0answers
81 views

What cognitive abilities show the smallest B-W differences in mean scores? [closed]

Traditionally, employee selection tests focus on cognitive abilities such as reading, reasoning, and math. These have large Black-White (B-W) effect sizes (standardized mean score differences). The ...
0
votes
0answers
20 views

How can I avoid biases? [duplicate]

Our brains can be very powerful. Although this is a good thing most of the time, the complexity of it may sometimes affect decisions making, judgement and various other things. Is there any way to ...
1
vote
3answers
249 views

Does the scarcity of female programmers, suggest that men are more intelligent than women?

Developing software is simultaneously artistic and scientific, which accounts for its appeal for some of the smartest and intuitive people on the planet There is a generally observable and most ...
2
votes
1answer
42 views

Obsessions: Synopsis and Effects

I've been thinking about this topic quite a lot recently. What exactly is obsession ? Is it a good trait indicating perseverance for a goal ? Or is it a sign of a psychological disorder ? Is it a sort ...
4
votes
1answer
106 views

Why might a person get widely varying scores on different online IQ tests?

Online IQ tests often yield wildly varying results (say 60 - 150). These are actual values obtained by repeated measures. It is puzzling, because it's such a wide range. How can the same person be ...
9
votes
1answer
271 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 ...
6
votes
2answers
2k 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 ...
6
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1answer
152 views

How do laypeople form a judgement that another person is smart or intelligent?

I am curious: When do we label a person as being 'intelligent', 'smart' or 'clever'? This is subjective, and it seems unlikely that it is possible to reach a bulletproof definition. A high IQ has been ...
4
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0answers
61 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 ...
4
votes
1answer
884 views

Have different mental strengths evolved in men and women?

I think that men and women are different mentally (but nonetheless equals), however this way of thinking is very hard for me to explain philosophically, so I'd like to learn about what roots this ...