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A systematic meta-analysis of the relationship between IQ and obesity (Yu, Han, Cao and Guo, 2010) suggested that lower IQ in childhood was associated with later adult obesity via educational level. No evidence of a relationship between IQ and obesity was found for adults. Our study and review of the literature overall suggests that there are inverse ...


6

Recent studies on this topic deal with more detailed questions, that are analysed using structural equation models (Deary et al., 2006). A main goal has been the identification of specific genes. No single genes have been found until today and Sternberg (2012) also points out that the concept of heritability itself is indirect and maybe inappropriate if ...


6

The question you have asked is not a new one. In fact, from the times of classical antiquity, Plato considered artistic creativity as a result of god-given madness. When it comes to popular figures in the arts and sciences, however, it is important to note that the illness is not restricted to them by any means. Lord Byron and Beethoven are said to be ...


6

There are many definitions of intelligence. I find the one given by David Wechsler (1944) useful in the context of this question: The ... capacity of the individual ... to deal effectively with his environment Finding a solution quickly is sometimes necessary if you want to deal with your environment effectively. Not all problems will wait for you to ...


5

Can any arbitrary [able bodied] human become a genius across multiple disciplines or at least one discipline assuming that they have some Secondary Eduction in these disciplines? No, not all able bodied humans will be able to be become a genius across one or more disciplines. Assuming genius in this context means someone achieving international ...


5

I have to disagree with Arnon a bit and want to expand on some of his points. The following is not meant as an answer to the question but just an extended comment to Arnon's answer. General intelligence vs multiple intelligences There are theories of intelligence that posit a general intelligence which determins performance in all areas. According to these ...


4

The Torrance Test of Creative Thinking is a good place to start. It scores for fluency (number of responses) as well as originality (statistical rarity of responses) and elaboration (level of detail) on a variety of different tasks. The validity of the TTCT has been examined with several long-term studies, so there is a fair amount of data on its ...


4

Sounds to me like someone is making a logical fallacy here, though the origin of this fallacy isn't clear to me. We cannot go from 'poor academic performance', to 'not amounting to anything', to 'having a low IQ'. These are not relationships of cause and effect. The motivation to do something ('amount to something', if you will) is driven primarily by the ...


4

General points about practice effects Intelligence tests differ in how much they are subject to practice effects. Practice effects can also be distinguished: Time between taking the test: The shorter the timeframe the more likely you will see practice related improvement. General practice on similar tests and similar items versus practice on the same set ...


4

Intelligence refers to a general cognitive capacity, it does not refer to knowledge in specific fields of study. This means that yes, it is possible to have high intelligence but have low knowledge / performance in a specific academic area. Having said that, IQ tests are validated against academic performance - that is to say, they are adjusted so as to ...


4

One meta-analysis of gender differences in cognitive abilities (verbal ability, quantitative ability, and visual–spatial ability): Results indicate that gender differences in all of these abilities were small: For verbal ability, the median ω–2 was .01 and the median d was .24; for quantitative ability, the median values of ω–2 and d were .01 and ...


3

Just did some more reading, going to answer my own question: Fluid intelligence (Gf) refers to mental operations that an individual uses when faced with a relatively novel task that cannot be performed automatically. Inductive and deductive reasoning are generally thought to be the hallmark narrow-ability indicators of Gf. Examples of Gf abilities are: ...


3

I think what happens is that researchers often don't report on - or at least don't highlight - uninteresting results, partly because of the difficulty getting uninteresting results published. So given that gender differences in IQ in general are eliminated for validity, a lack of gender differences in IQ amongst a seemingly arbitrary sub-population such as ...


3

There is some evidence of a moderate correlation between response times (on very simple tasks) and intelligence constructs like IQ. Here are two relevant papers and their abstracts: Deary, Der, & Ford (2001) The association between reaction times and psychometric intelligence test scores is a major plank of the information-processing approach to ...


3

This question may be too complex to answer specifically as there are several components that identify Logical-Mathematical intelligence. In terms of behaviour high LMI people need things to explore and think about, and are often seen as manipulative and often seek new experiences or topic matter to discover. These people love to experiment, question, ...


2

Although the idea that IQ only enables creativity "up to IQ 120" is widespread (and repeated in pop-psych books such as those of Gladwell etc.), large scale studies of giftedness reliably find that the IQ and creativity are associated even at the very highest-extremes of ability. IQ is linearly related to creative achievement across the range (Wai et al., ...


2

Good question, and no one really has a definitive answer, but it is generally considered that a system, as you described, is not a metamind as you call it, or a singular being. First lets define what a being is: A being is a system that works together to collectively maintain all characteristics of life. These are: being made up of cells the ability to ...


2

Why would I be asked to count backwards by 3, from 100 in a psychological test? This is to test your cognitive reasoning abilities, particularly your ability to concentrate and recall serial information. Similar tests are administered to injured sports players to ensure that they do not have a concussion. 1 What's a baker's dozen? What do you think ...


2

Short answer "Perceptual competence" is "the ability to perceive". Background I Googled "perceptual competence" and the first hit was an open source article (Lencz et al., 2003). They define perceptual competence as: [The] initial representation of to-be-remembered material [in the context of working memory]. Perceptual competency itself can include ...


2

Short answer: Processing speed is linked to executive functioning (EF) ability as well as specific, individual abilities (verbal, spatial, etc.), whereas generalized inspection time (IT) and reaction time (RT) to simple stimuli is more representative of general intelligence. Detailed answer: There are several factors that go into intelligence. Three ...


2

In addition to MariaAnt's good contribution, let me take another angle. You wrote: 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 identical twins reared apart studies, imply that someone with the same genes ...


2

Yes, there are several studies which found links between the amount of training and the effect of it on cognitive abilities. See the below for references and summaries of some of these: Jaeggi, Susanne M., et al. "Improving fluid intelligence with training on working memory." Proceedings of the National Academy of Sciences 105.19 (2008): 6829-6833. Jaeggi ...


2

I don't think anybody wants to limit particular topics on here, but the point of the site is to discuss science. Science starts with empirical observation, rather than just anecdote. So the first flaw in your view seems to be that you are taking your anecdotal experience as evidence for "a trend of lower IQ in women". Many people have looked SCIENTIFICALLY ...


2

I think what Einstein had in mind is that in order to come up with original ideas one must keep a balance between knowledge and creativity, as already stated by Jeromy Anglim. In a paper titled "The Composing Process and the Academic Composing Process" written by Stephen Krashen, Krashen says: Although there is no empirical research on this hypothesis, ...


1

Regarding schizophrenia and loss of IQ: I don't know how much we can say about the 'loss' of IQ in schizophrenia patients. If anything, it appears to me that a decrease in overall IQ is augmented by the cognitive deficits associated with schizophrenia. This isn't to say that you can't increase your IQ with certain interventions, which I will touch on ...


1

The length of your question and it's tags make it quite confusing, however what you mentioned about the brain processing tasks sequentially and then hitting an efficiency bottle-neck when using conflicting resources reminds me of the research of Neils Taatgen. He uses a cognitive model called ACT-R to do computer simulations to predict what efficiency ...


1

Regarding Cronbach's $\alpha$, Wikipedia writes: It has been proposed that $\alpha$ can be viewed as the expected correlation of two tests that measure the same construct. Note that correlation is a nonparametric concept. Its definition is independent on the functional form and functional relationship of the two variables. There are numerous ways to ...


1

An otherwise 'brilliant' person can be slow at solving certain problems, yes. And no, cognitive performance is not the same thing as running a marathon. A marathon measures your ability to reach a certain point in a certain amount of time. An intelligence test (or any academic test, for that matter) assesses to make sure that you have learned the material ...



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