Navigation Links
More Schooling Might Raise IQ
Date:12/27/2011

By Steven Reinberg
HealthDay Reporter

MONDAY, Dec. 26 (HealthDay News) -- Children who have more schooling may see their IQ improve, Norwegian researchers have found.

Although time spent in school has been linked with IQ, earlier studies did not rule out the possibility that people with higher IQs might simply be likelier to get more education than others, the researchers noted.

Now, however, "there is good evidence to support the notion that schooling does make you 'smarter' in some general relevant way as measured by IQ tests," said study author Taryn Galloway, a researcher at Statistics Norway in Oslo.

Findings from the large-scale study appear in this week's online edition of the Proceedings of the National Academy of Sciences.

IQ, or intelligence quotient, is a widely accepted measure of intelligence. The IQ score comes from several combined, standardized tests.

In 1955, Norway began extending compulsory middle school education by two years. Galloway and her colleague Christian Brinch, from the department of economics at the University of Oslo, analyzed how this additional schooling might affect IQ.

Using data on men born between 1950 and 1958, the researchers looked at the level of schooling by age 30. They also looked at IQ scores of the men when they were 19.

"The size of the effect was quite large," she said. Comparing IQ scores before and after the education reform, the average increased by 0.6 points, which correlated with an increase in IQ of 3.7 points for an addition year of schooling, Galloway said.

"We are only able to study men, because we use data on IQ from the Norwegian military's draft assessment, which basically all men undergo around the age of 19. Women are not included in the draft," she explained.

Education has lasting effects on cognitive skills, such as those broadly measured by IQ tests, Galloway said.

"Cognitive skills are, in turn, related to a large range of social and economic outcomes. A large part of the relevance of the study derives from the fact that there has been some controversy related to the question of whether education has an independent effect on IQ or whether people with higher IQs simply choose, or are better able, to attain higher levels of education," Galloway said.

By looking at a reform which increased mandatory schooling and prevented people from dropping out of school after the 7th grade, it is fairly certain that the effects seen are an effect of schooling on IQ, not vice versa, she explained.

"One subtle point of our findings is that we use IQ measures at roughly age 19, which is three to four years after the additional education generally was received. Thus, we are not simply picking up a short-lived effect that peters out shortly after people leave school," Galloway said.

The findings suggest that education as late as the middle teenage years may have a sizeable effect on IQ, but do not challenge the well-documented importance of early childhood experiences on cognitive development, according to the authors.

Robert Sternberg, a professor of psychology and provost at Oklahoma State University in Stillwater, said that "these results -- that schooling has a substantial effect on IQ -- replicate those of other, perhaps not quite as well-controlled, studies."

"I am aware of no serious studies that show the opposite result," he added.

He said the results are also consistent with the huge literature on the so-called Flynn effect showing that IQs are modifiable across as well as within generations and have been rising since the beginning of the 20th century.

"The results of this study are problematical for the chorus of psychologists and educators still locked in century-old thinking that IQ is genetic, stable and non-modifiable," Sternberg said. "As, for these individuals, the belief in the stability of IQ is more a matter of religious faith than of scientific inference, I doubt they will be persuaded."

More information

For more about IQ, visit the U.S. National Library of Medicine.

SOURCES: Taryn Galloway, Ph.D., researcher, Statistics Norway, Oslo; Robert Sternberg, Ph.D., professor, psychology, and provost, Oklahoma State University, Stillwater; Dec. 26-30, 2011, Proceedings of the National Academy of Sciences, online


'/>"/>
Copyright©2010 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Noisy Toys Might Harm Kids Hearing
2. Widowers Who Stay Single Might Face More Mental Health Woes
3. Diet Might Help Those Immobilized by Knee Osteoarthritis
4. Jump in Resting Heart Rate Might Signal Higher Death Risk
5. Hormone Might Ease Menopause, Boost Womens Sex Life: Study
6. Nerve Snip Might Ease Dangerous Irregular Heartbeat
7. Asthma Drugs in Pregnancy Might Pose Risk for Kids
8. Blood test might predict how well a depressed patient responds to antidepressants
9. Apnea Treatment Might Reduce Signs of Heart Disease Risk
10. Magnetic Brain Stimulation Might Help Some Stroke Patients
11. Body Clock Might Affect Womens Dementia Risk
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
More Schooling Might Raise IQ
(Date:6/24/2016)... ... ... in a crisis. Her son James, eight, was out of control. Prone to extreme mood ... something upset him, he couldn’t control his emotions,” remembers Marcy. “If there was a ... children and say he was going to kill them. If we were driving on ...
(Date:6/24/2016)... ... June 24, 2016 , ... Dr. ... accelerated orthodontic treatment. Dr. Cheng has extensive experience with all areas of orthodontics, ... and accelerated osteogenic orthodontics. , Micro-osteoperforation is a revolutionary adjunct to orthodontic ...
(Date:6/24/2016)... ... 24, 2016 , ... People across the U.S. are sharpening their pencils and ... essay contest in which patients and their families pay tribute to a genetic counselor ... National Society of Genetic Counselors (NSGC) Annual Education Conference (AEC) this September. , ...
(Date:6/24/2016)... Nevada (PRWEB) , ... June 24, 2016 , ... ... Vegas client, The Grove Investment Group (TGIG), has initiated cultivation and processing operations ... in Las Vegas and Pahrump, Nevada. , Puradigm is the manufacturer of a ...
(Date:6/24/2016)... ... June 24, 2016 , ... Venture Construction Group (VCG) ... held on June 20th at the Woodmont Country Club at 1201 Rockville Pike, ... organization dedicated to helping service members that have been wounded in battle and their ...
Breaking Medicine News(10 mins):
(Date:6/26/2016)... , June 26, 2016 ... care operating models within the health care industry is ... financial efficiency , Deloitte offers a suite of ... business issues impacting efficient cost optimization: labor resource analysis, ... These services facilitate better outcomes and better economics ...
(Date:6/24/2016)... Calif. , June 24, 2016  Global ... a biopharmaceutical company developing novel therapeutics for the ... needs, today announced the closing of its previously ... common stock, at the public offering price of ... the offering were offered by GBT. GBT estimates ...
(Date:6/24/2016)... DUBLIN , June 24, 2016 ... addition of the "Structural Electronics 2015-2025: Applications, ... In-Mold Electronics, Smart ... Integrated Photovoltaics Structural electronics involves ... as load-bearing, protective structures, replacing dumb structures such ...
Breaking Medicine Technology: