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:3/28/2017)... ... 2017 , ... Resoundant, Inc., the developer of Magnetic ... annual customer education symposium, a world-class learning conference that offers educational content designed ... 31, 2017 at the Atlanta Marriott Marquis in Atlanta, Georgia. , Innovations for ...
(Date:3/28/2017)... ... 2017 , ... The Thyroid Secret is a specialized 9-part ... program was recently launched on March 1, and Dr. Wentz discussed varied benefits ... Dr. Izabella Wentz is a licensed pharmacist and a foremost thyroid specialist. After ...
(Date:3/28/2017)... , ... March 28, 2017 , ... ... share of all holidays (IBT World Travel Trends Report). As travelers visit both ... a range in temperatures, and prolonged sun exposure. In response, the outdoor industry ...
(Date:3/28/2017)... ... March 28, 2017 , ... ... the science and clinical practice of radiosurgery, announced today the publication of ... observational registry established to standardize data collection from patients treated with stereotactic ...
(Date:3/28/2017)... ... ... Alert Sentry Group LLC., a leader in the Personal Emergency Response System industry, ... iSAFE Plus. These iSAFE products are the most affordable and most advanced medical alert ... offer direct GPS Location and two-way calling with the push of a button on ...
Breaking Medicine News(10 mins):
(Date:3/29/2017)... York , March 29, 2017 ... published a report, which provides an exhaustive study ... the study, nearly 242 companies are functional in ... and competitive. With the leading companies, such as ... Pharma LP, focusing aggressively on various marketing strategies ...
(Date:3/29/2017)... 2017  The Pharmaceutical Care Management Association (PCMA) today ... on patient out-of-pocket spending: ... (CMS), the average amount spent out-of-pocket for drugs continues ... in 2016, down from 23% in 2006. ... a coverage problem. Health plans don,t have unlimited funds ...
(Date:3/29/2017)... Calif. , March 29, 2017  Designers of ... significantly reduce solution size by 50% and extend battery ... ) power management integrated circuit (PMIC) from Maxim Integrated ... PMIC supports a low input voltage of just 0.7V ... Air and Silver Oxide, as well as the more ...
Breaking Medicine Technology: