Questions tagged [intelligence]

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.

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38 votes
2 answers
2k views

Are exams getting easier, or are students getting smarter?

There is an interesting trend in test scores in exams (GCSE and A-level) in the UK: they are increasing, or so the trend in the grades would tend to show. This is known as grade inflation and affects ...
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15 votes
2 answers
5k views

Does brain mass have any correlation to intelligence?

According to many (I cannot find a source at the moment), Albert Einstein's brain weighed less than average. It is a common belief that there is no correlation between brain mass and intelligence. Is ...
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50 votes
1 answer
10k views

Are IQ tests reliable?

Some of the more common types of IQ tests are: Stanford-Binet Intelligence Scale, Fifth Edition (SBIS-V) (Ages 2–90+)An update of the SB-IV. In addition to providing a Full Scale score, it ...
14 votes
1 answer
2k views

Are people getting smarter or stupider in North America?

I've heard that people are complaining everyone are getting dumber because of popular culture and the Internet. I read an article in cracked that said people are actually getting smarter because of ...
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43 votes
2 answers
4k views

Is IQ hereditary? If so, to what degree?

The movie Idiocracy suggests that intelligence is hereditary; this idea has also been perpetrated by German author Thilo Sarrazin, who claims that due to the higher fertility of Islamic immigrants and ...
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25 votes
3 answers
1k views

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 ...
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26 votes
1 answer
21k views

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 ...
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