What are the implications of the Flynn effect for the relation between genetics and IQ? I've always understood that IQ is primarily genetic and difficult to change, but if the Flynn effect shows that environmental factors like improved nutrition and education can cause such a rapid increase over a relatively short period of time, then does this mean that IQ is to a large extent environmental? Doesn't this show that any group could rapidly raise its IQ in the matter of a few generations given an improved environment more conducive to intellectual growth? What am I missing here?
What are the implications of the Flynn effect for the relation between genetics and IQ...
Adrian Brooks
Ryan Morgan
I believe you're missing the Flynn effect.
Easton Nelson
1.50% of variance in intelligence is explainable by genes
2.flynn effect comes in - probably works on environmental factors
3.it shows A group can rapidly raise its IQ, not any group
some groups can, some can't
i'd say most can, most can't
african and australian max is somewhere in the 80's (maoris excluded)
most others are 90+
Ryder Gray
Nutrition affects IQ tests drastically, and I'm not talking nutrition in terms of how your brain developed based on the food you got as a child - I'm talking about what you ate for breakfast the morning of the IQ test, or how long after lunch it was when you had it administered. A 20 to 30+ point drift from such factors is considered the norm.
IQ tests only check for the ability to recognize patterns and memorize numbers. The more you practice those two things in daily life, the better your IQ scores are going to be. As time goes on, more and more people are in fields or in education where they rely on those tasks daily, and games involving puzzles involving such tasks are increasing in popularity as well as in their complexity. This is why, for instance, switchboard operators in the 70's tend to score the same as physicists, even when the switchboard operators came from lower class backgrounds.
Until we come up with an intelligence test that is either more comprehensive or more objective, such as a neural connectivity scan that doesn't involve you being dead in order to have it done, IQ is a pretty arbitrary thing, really only somewhat useful in grand statistical terms, and in identifying specific learning disabilities in individuals.
Blake King
How do you explain the predictive power of IQ then?
Justin Bailey
he lied to mike pence
Jaxson Butler
Hogwash and wishful thinking, mostly.
tandfonline.com
Hundreds of studies prior to the 1970s reported that correlations between IQ tests and job performance were low (approximately 0.2–0.3) and variable, sometimes even negative. Then some folks pushing for IQ based filtering "corrected" that data in rather arbitrary ways, and came up with their own numbers, magically doubling the correlations. Pretty much all the "predictive" IQ statements made since then are all based on a single, very flawed, study. Then you get into shit like the Fortune 500 claim, that simply ignore the fact that their IQ's are actually average for their demographic.
Which is all odd, as one would assume people who are better at pattern recognition and memory would do better at school and thus do better in the job market, but those two factors alone seem to be rather marginal in the grand scheme of things, probably because it's a narrow range of things to test for to begin with, and tested for in a very narrow fashion, even within that already narrow scope.
It's basically akin to stating that folks who can read the top E on the chart have 20x20 vision, do better in school as a result, while ignoring the fact that glasses exist.
Psychometry is a combination of social statistics and psychology - two things that, under any other circumstance, Veeky Forums will insist aren't science.
Brandon Rivera
The Flynn effect is reversing in developed nations. It's most likely the Flynn effect was just a recuperation of environmentally induced retardation of IQ (e.g. poor nutrition).
Michael Brown
Spot the brainwashed moron who doesn't have a clue about what he's talking about.
Adrian Jenkins
Almost everything you claim is provably false. Textbook SJW: lying through their teeth with impunity.