Talk:Flynn effect

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Training[edit]

Could it be that more and more people are getting training in doing in doing IQ tests? I read somewhere that there is a noticeable increase in the result from the 1st test you take to the 3rd one. Probably you learn to think like the test or something. —Preceding unsigned comment added by 80.224.96.198 (talkcontribs) 13:44, 14 May 2004

I think that is true, people are learning the way of the tests. Once I came across the following question. Which one is the odd one out: Train, Plane, Steamboat, Car, Bus. Ok, Trains can only move on tracks, Planes can move in 3 dimensions, steamboats move in water, cars are small and buses have commercials all over them. So which one is it? In the end it was the car, but with no explanation. But after a few of these you can probably figure out what the test writers were thinking. I guess people are figuring out the mindset of the people who made the tests. —Preceding unsigned comment added by 213.39.143.47 (talkcontribs) 08:54, 16 May 2004
Remember, this is not an effect of the same people retaking the test, but changes in the average scores in a population across generations. I.E. If the 18 year olds averaged 100 on a test in 1948, the 18 year olds now might average 128 on the same test. Now perhaps we are all exposed to more testing, but remember, this effect has occured dramatically in even the last 20 years. Has the average persons exposure to standardized IQ tests changed that much since 1985? It's a puzzle... —Preceding unsigned comment added by 65.34.133.19 (talkcontribs) 03:27, 27 April 2005
On the question above, I think it'd be the car, because it is the only one that you yourself are in control of. I don't know about exposure to IQ tests (I think I've taken two or so...) but standardized testing itself has exploded, with many students taking multiple AP, SAT I/II, ACT and even graduation tests in only four years. —Preceding unsigned comment added by Finnegar (talkcontribs) 23:40, 24 January 2007
This, to me, is the greatest weakness of any IQ test which includes this sort of question. As a mathematician will tell you, there are an infinite number of ways to describe any finite series. More broadly, questions along the lines of "which doesn't belong," or "which is the next in the sequence," unless they are so simple as to be nondeterminitive, don't have "right" answers. Even the "best" answer is often considerably more subjective than the author of the test may think it is. —Preceding unsigned comment added by 71.194.183.199 (talkcontribs) 16:08, 8 July 2007

Original research ?[edit]

I don't know if it has been emphasized by some scientist(s) but IMO :

- the expense in education in many third-world countries were considerable (I have no serious datas yet),

- the progress in communications is simply incredible : It's not a secret on Wikipedia that I spent some time in Burkina Faso around 1986. In 14 month I could phone my mother once! Just click on http://www.cenatrin.bf/ to verify that the volume of information you can exchange has increased. --Ericd 20:36, 25 Jan 2005 (UTC)


Environmental: don't overlook the obvious[edit]

The Flynn effect was discovered when the IQ of U.S. Armed Services inductees jumped 15 points between WWI and WWII. That cohort would have been the first generation to grow up in the truly modern world. The changes were sudden and dramatic: reduction in malnutrition, electricity, automobiles, trucks and tractors, purified drinking water supply, sewage treatment, knowledge of vitamins, iodized salt[1], Pure Food and Drug Act of 1906. Meat packing plants were unsanitary and contaminated with rotten meat which was disguised (sausage or pressed meat) and sold. Flies were everywhere and were attracted in huge swarms by the omnipresent horse manure. Prescriptions were not required to buy medicines, many of which were untested and contained toxic substances, including mercury. It was also legal to buy all types of drugs, including cocaine, marijuana, morphine and opium. Children drank alcohol (remember 10 year old Charles Dickens as David Copperfield) and drunkenness of workers was common.[1] Lead pipes were in widespread use in the water supply system and in homes, and lead soldered food cans were being used, and for some foods, such as sardines, continued to be used for decades (until 1995 in the U.S.), and are still used today in some countries. Phmoreno (talk) 02:19, 3 April 2017 (UTC)

A little follow up highlights the effect of iodized salt.Phmoreno (talk) 03:46, 3 April 2017 (UTC)

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  1. ^ Gordon, Robert J. (2016). The Rise and Fall of American Growth. Princeton, NJ USA: Princeton University Press. ISBN 978-0-691-14772-7.