Intelligence has been defined in many different ways such as in terms of one's capacity for logic, abstract thought, understanding, self-awareness, communication, learning, emotional knowledge, memory, planning, creativity and problem solving.
Questions tagged [intelligence]
107 questions
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Do men show greater variance in the distribution of their IQ than women?
It is frequently claimed that men show greater variance in the distribution of their general intelligence factor (g) ("IQ") than women.
Is that claim accepted by the scientific community?
knorv
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Were our recent ancestors as intelligent as we are?
A good friend of mine made the following claim:
If we would have a time machine and use it to gather newborns from different eras of human history and would put them in normal and nurturing families they would have the same chances to succeed in…
Andreas H
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Do the mother's genes almost exclusively determine the sons' intelligence?
According to this paper: Intelligence and the X chromosome by Gillian Turner, published by The Lancet (a highly regarded medical journal) in 1996, the X chromosome is dominantly responsible for coding "intelligence" and "intellectual function".…
user69715
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Is reaction time correlated with intelligence?
The article People Getting Dumber? Human Intelligence Has Declined Since Victorian Era, Research Suggests says,
As for Dr. te Nijenhuis and colleagues, they analyzed the results of 14 intelligence studies conducted between 1884 to 2004, including…
ChrisW
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Does Lumosity increase your intelligence?
Lumosity is a popular website that claims to help you become a more intellectually capable individual.
Harness your brain's neuroplasticity and train your way to a brighter life"
Is it truly possible to improve your IQ?
Is IQ a good measure of…
The Rouge
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Do less-intelligent people vote right-wing because they feel safe?
The always fascinating Daily Mail came out with a rather surprising article where it claims a Canadian experiment, or review, concluded that people with less-than-average childhood intelligence tend to vote right-wing, and furthermore that this is a…
Sklivvz
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Do any brain training games make you smarter?
What are the benefits over just playing a normal game? Sites such as Lumosity claim they are training your brain and making you smarter using "what seems like games".
Is there any scientific evidence from independent studies?
Samuelson
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Does solving Sudoku puzzles improve your mental abilities?
A lot of people I know see solving Sudoku puzzles as a way to train their minds.
howtoincreasememorypower.com recommends doing a Sudoku puzzle a day to increase brain power.
Researchers rank solving sudoku puzzles daily among the top ten…
Christian
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If children use calculators in primary school, is their learning impacted?
Others are against using calculator in lower level math teaching, saying that it makes children not to learn their basic facts, prevents students from discovering and understanding underlying mathematical concepts and instead encourages them to…
Sklivvz
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Are intelligent people more nocturnal than people not considered intelligent?
Some sites claim that people with higher intelligence tend to go to bed later.
For example:
People with higher IQs are more apt to be nocturnal night-owls. Those with lower IQs tend to restrict their activities primarily to daytime.
People who…
OmnipresentAbsence
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Is global IQ dropping over time?
Global IQ: 1950–2050
Essentially the idea is that while smart people are getting wealthier, their birth-rate tends to drop. On the other hand poor countries, which are generally populated by less intelligent people, have constant birth rates.
So…
Alex
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Has the U.S. Army been conducting IQ tests on their recruits, unintentionally discovering a racial hierarchy of intelligence?
Dave Rubin's interview with Stefan Molyneux on race and IQ in this video talks about how the U.S. Army have been giving IQ tests for about 100 years to measure the intelligence of recruits and find out if they're either officer material or not.…
user42894
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Is sense of humor somehow related to intelligence?
I've seen a couple of documentaries where they insinuate that sense of humor and intelligence could be related. I couldn't find the documentaries on the web, but the following are some studies regarding the issue.
Claims:
Men can 'laugh women into…
rraallvv
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Is self-discipline more important than IQ in predicting academic performance?
There is one highly cited (>1K citations in Google Scholar) study titled "Self-discipline outdoes IQ in predicting academic performance of adolescents", and quoting from its abstract:
Self-discipline measured in the fall accounted for more than…
Fizz
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Does long-term marijuana use lead to a significant drop in IQ?
This article claims that marijuana (cannabis) is linked to a drop in IQ. Specifically:
Participants who used cannabis heavily in their teens and continued through adulthood showed a significant drop in IQ between the ages of 13 and 38—an average…
dsollen
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