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.

learn more… | top users | synonyms

4
votes
1answer
390 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
475 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
185 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
votes
1answer
2k 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
votes
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
22k 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
1k 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 ...
4
votes
1answer
181 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
vote
0answers
85 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 ...
3
votes
1answer
50 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 ...
5
votes
1answer
168 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
323 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 ...
7
votes
1answer
173 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 ...
6
votes
0answers
128 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 ...
5
votes
1answer
922 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 ...
8
votes
3answers
2k views

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 ...
11
votes
5answers
7k views

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 ...
1
vote
0answers
252 views

What are the 50 words on the Wechsler Test of Adult Reading (WTAR)? [closed]

I recently took part in a study that asked me to read 50 words that were spelled differently than they were pronouced, some more commonly used than others. Does anyone know where I could find this ...
1
vote
1answer
45 views

What is Intelligence? Is it based on prediction capability of an agent? [closed]

I have the intuition that at a first level is the capability of an individual to predict outcomes of her/his/its own actions in a environment were he/she/it has familiarity with (don't you feel stupid ...
3
votes
0answers
79 views

What makes you feel smarter after sprinting? [closed]

Background: Every time I sprint, I feel smarter the day after. Why would someone feel smarter after they have been sprinting?
3
votes
1answer
260 views

Do Jewish people have better cognitive abilities than average population?

Jewish people are overrepresented in politics and science especially in the United States. Do they have better cognitive abilities than average population? If yes, what is the reason for this? ...
5
votes
1answer
100 views

How to interpret a BBC news article on the effect of race on intelligence?

In spring 1998, Robert Plomin claimed to have discovered a gene linked with intelligence. More recently, the Human Genome Project was cautious when approaching areas implying racial differences ...
3
votes
0answers
382 views

Difference between forms of Culture Fair Intelligence Test (CFIT) scale 3

I would really like to know what are the differences between the form A and form B of Cattell's Culture Fair Intelligence Test scale 3? To my knowledge (reading the "methods" section in the ...
1
vote
1answer
172 views

Comprehensive encyclopedia of nootropics for medical researchers and practitioners

Is there a clinically-researched and tested encyclopedia (or similar resource) covering all available nootropics currently known? The Wikipedia article was a helpful first stop; but I'm searching for ...
3
votes
0answers
58 views

What method(s) are available which demonstrably increase a person's g factor, (assuming such are available)?

Following up on this question: What method(s) are available which demonstrably increase a person's* g factor, (assuming such are available)? (*if a specific target individual is necessary to respond ...
4
votes
1answer
101 views

What factors affect the g factor?

Is / are there any scientific studies on factors which affect the general intelligence (g) factor? I did a Google search, but could not find any academic papers on the topic.
3
votes
0answers
112 views

What are the average raw scores, and standard deviations for the WAIS-IV subtests?

What are the average raw scores, and standard deviations for the WAIS-IV subtests (scores are normalized)? For example, the digit symbol task gives you 120 seconds to substitute as many digits for ...
4
votes
1answer
2k views

Does intermittent fasting increase intelligence?

A little Background: The protocol I am taking about is 16-20 hours of fasting and a 4-8 hour eating window (e.g. fasting between 6 PM and 10 AM). I have been doing IF (intermittent fasting) for 7 ...
-1
votes
1answer
4k views

How to calculate IQ from bhatia battery test?

How to find out IQ from bhatia battery test? Suppose time for each of the 5 subtests is noted down. What are the steps to reach at an IQ value from here?
8
votes
2answers
238 views

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? ...
5
votes
0answers
262 views

Does limiting mental activity during the day increase mental performance later in the day?

Is there any scientific evidence to support the idea that you only have so much cognitive energy in a given day; and if so, would the mental abilities of someone who focuses on as little as possible ...
17
votes
2answers
6k views

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 ...
1
vote
1answer
235 views

Super polymath feasibility: Is it possible to have the highest intellectual ability in every area?

Could a single individual have the abilities of Gauss in mathematics, play soccer like Messi, write like Dostoyevsky, play chess like Carlsen, have ideas in physics comparable to those of Einstein, ...
1
vote
0answers
124 views

Is Brain Sync music effective in increasing cognitive functioning? [duplicate]

From the website: BRAIN SYNC meditation CDs and guided imagery techniques are proven to significantly improve mental performance. In two decades, nearly 3 million Brain Sync users have ...
2
votes
0answers
69 views

Are “dumb product warning labels” an indicator of change of intelligence of general public? [closed]

I've recently heard a podcast by mr Flynn, the discover of the Flynn effect. According to him, populations worldwide are gaining about 3 points of IQ with each generation, but the kind of their ...
4
votes
1answer
48 views

Can reduced cognitive load lead to some kind of mental or physical “atrophy”?

Muscles, if you don't use them, degenerate. Everyone who has had a broken leg in a cast for a few weeks and then seen the thin stick that reemerged once the cast was removed, can attest to that fact. ...
4
votes
2answers
113 views

Does a more ergonomic and user friendly interface/device make the human brain work less?

There was an interesting discussion on UX.StackExchange related to washing machines and their front windows. I was very surprised that it took me like 2 minutes or so to figure out why the washing ...
3
votes
2answers
810 views

Can intense multitasking improve fluid intelligence/working memory?

The Dual N-Back task is the only task I'm aware of that has empirical support showing that it improves working memory. It appears to improve working memory through multitasking, although this ...
2
votes
1answer
92 views

How to achieve homeostasis and cognitive closure, while living with more infinite unanswered questions and concrete explanations?

In this question we learn, curiosity (and scientific research in general) is a cycle that arises when one connects dots when analyzing new answers, which most of the time leads to more unanswered ...
8
votes
3answers
3k views

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 ...
3
votes
2answers
518 views

Have IQ-type measures been tried for other animals?

despite the obvious difficulties of definition and measurement, and the various controversies surrounding the use of IQ-type scores in human beings, it seems unquestionable that there are significant ...
13
votes
2answers
537 views

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 ...
3
votes
1answer
244 views

Is the price of higher intelligence and more complex behaviours more mental illness?

"Our work shows that the price of higher intelligence and more complex behaviours is more mental illness." -Professor Seth Grant Professor of Molecular Neuroscience, University of Edinburgh ...
0
votes
1answer
402 views

What's the percentage of people that are mental calculator prodigies?

I want to reply to this comment: What's the percentage of people that are mental calculator prodigies? How do they spread over the different parts of the world?
5
votes
1answer
109 views

Learned dyslexia? adult predicament from childhood teacher´s incompetence?

I have a friend, over 30, who is convinced she cannot really read. Of course; she can read, but she struggles so much with sorting letters into words that she cannot absorb the content. Playing - say ...
5
votes
0answers
116 views

What is the neurobiological basis of Spearman general factor of intelligence?

I found here a brief intro to genetic factor of human intelligence: http://www.ncbi.nlm.nih.gov/pubmed/1036362 Also there is known that gyrus hipocampii is basis of STM which have role in general ...
2
votes
1answer
170 views

Effect of time limits on problem solving

I recently took part in psychological testing as part of a recruitment process to a job. I was not happy about the evaluation I got and I asked for a feedback discussion with the psychologist. The ...
12
votes
1answer
718 views

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 ...
4
votes
3answers
903 views

What exactly is IQ, and how to develop or improve it?

Some people are said to have exceptionally high IQ. What exactly is that supposed to mean? Is it possible to develop high IQ if one doesn't have it? If yes, then how?
18
votes
3answers
6k views

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 ...