Alcohol consumption and IQ

A study published in 2010 has suggested that brighter children in the UK and the US grow up to drink more alcohol. There is a very strong monotonic association between childhood intelligence (measured before the age of 16) and the frequency of alcohol consumption in their 20s, 30s and 40s. Very bright British children (with …
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IQ boosting foods

Diet most definitely plays a part in improving or maintaining your IQ. There are plenty of foods which are reported to enhance mental alertness and even possibly enhance IQ. So you not only need to consider your waist line when it comes to diet, but you also need to consider the impact of what you …
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Famous people with high IQ

The list of famous people with high IQ scores is a long one. Before listing some key individuals, let’s first revisit what is means to have a high IQ. In any nation, the average IQ is set to 100 and a normal distribution is able to be set around this mean. Around 95% of the …
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High IQ

What does it mean to have a high IQ? Well the first question to ask is “high IQ relative to whom?” Let us provide some background: relatives of modern-day IQ tests have been around since the late 1890s. The millions of test observations have enabled mathematicians and statisticians to establish several important characteristics about IQ …
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Improve your IQ

As discussed in previous posts, IQs can change over time. In particular, IQ scores may change fairly substantially during childhood and typically stabilize in your teenage years. This can be seen as good news as there may be scope to influence the development of IQ . But it is important to distinguish between the different …
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The Flynn Effect IQ gains

In 1984, James R. Flynn made the discovery that that IQs of the American population were increasing at a rate of 3 points per decade. This finding was coined “the Flynn Effect” in the controversial book The Bell Curve. This astonishing finding implied that Americans were increasing their intelligence (i.e. the Flynn effect IQ gain) …
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Culture-fair IQ test

Cattell and Horn distilled global intelligence (G) into two principal components: (1) fluid intelligence or Gf; and (2) crystallized intelligence or Gc.  Fluid intelligence is largely innate and represents someone’s ability to solve novel problems and can therefore be liked to raw processing power or the brain. Fluid intelligence is typically associated with the right …
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Does IQ change as you get older?

As different people and you will get a different answer. Some say that IQ and age are not related variables. But you look at the data more closely and you can see that the answer is clearly “yes they can change – to some degree”. Children go through periods of very rapid mental development, so …
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IQ testing is nothing new

Some critics have either attempted to dismiss IQ testing as being baseless or lacking scientific measurement. What these people often forget is that IQ testing is not a new concept and has been around for millennia. Although the blood relatives of the modern-day IQ test came to life in the late 1890s, cognitive ability tests …
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