An extra year of education can make you smarter
London, June 24: An extra year of schooling may leave students with new knowledge and may lead to a small but noticeable increase to students' IQ, a new study suggests.
The researchers found that an additional year of education was associated with an increase in IQ that ranged from 1.197 IQ points to 5.229 IQ points.
In combination, the studies indicated that an additional year of education correlated with an average increase of 3.394 IQ points.
"Our analyses provide the strongest evidence yet that education raises intelligence test scores," said co-author Stuart Ritchie from the University of Edinburgh.
"We looked at 42 data sets using several different research designs and found that, overall, adding an extra year of schooling in this way improved people's IQ scores by between one and five points," Ritchie added.
Research has long shown that years of education and intelligence are correlated but it has been unclear whether this is because education boosts intelligence or because individuals who start off with higher IQ scores are likely to stay in school for longer, the researchers said.
For the study, published in the journal Psychological Science, researchers looked at three particular types of quasi-experimental studies from a variety of sources, including published articles, books, preprint articles, working papers, dissertations, and theses.
To be included in the meta-analysis, each data set had to provide cognitive scores obtained from objective measurement with participants who were six or older and cognitively healthy.
This yielded 42 data sets from 28 studies collected from a total of 615,812 individuals, the researchers said.
"The most surprising thing was how long-lasting the effects seemed to be, appearing even for people who completed intelligence tests in their 70s and 80s. Something about that educational boost seemed to be beneficial right across the lifespan," Ritchie said.
The researchers also noted that each type of study has strengths and weaknesses, and the findings raise several new questions that future research will have to address.
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Modi should leverage his ties with world leaders to de-escalate war in West Asia: Omar Abdullah
Jammu (PTI): Jammu and Kashmir Chief Minister Omar Abdullah on Monday said India can play a meaningful role in de-escalation in West Asia, given Prime Minister Narendra Modi's strong relations with the warring countries and their neighbours.
He said Pakistan was leveraging ties with Iran and the United States, and that any effort towards ending the war should be welcomed.
"As I said in the House (Assembly), we would like the war to end as soon as possible. The role that the prime minister can play may not be possible for anyone else because of his good relations with all these countries," Abdullah told reporters on the sidelines of a function here.
He, however, said any escalation would not be easy to manage.
"Any such move by US President Donald Trump, despite the long history of Iran resisting external domination, would not be easy," the chief minister said.
Asked about Pakistan mediating in the war, he said, "I will simply say that if any country can play a role in preventing this war, no one should have any objection to it."
He added, "I will repeat what I said … our prime minister has good and close relations with all countries — whether it is Israel, the United States, Iran, or the countries around Iran. If those relationships can be used to make some progress and help ease the situation, it would be a good thing."
Abdullah said attacks by terror groups like Lashkar-e-Taiba and Jaish-e-Mohammed in India, as suggested by a report from the United States, are not unlikely.
Meanwhile, he asserted that any efforts to end the war, be it from Pakistan, must not be resisted.
"Pakistan is using its good relations with Iran and the United States to its advantage, and it has done so. How can we object to that? If that angle helps in stopping the war, would you want them not to act and let the war continue? We want the war to stop. If any country can play a role in that, it should. And if we can play an even better role, then we should do so," he said.
On unemployment in J-K, the chief minister said the issue cannot be resolved overnight, and government jobs alone are not the solution.
He stressed the need to explore alternative avenues, highlighting the importance of Mission Yuva in promoting entrepreneurship.
"Mission Yuva provides not just funding but also support in preparing DPRs and post-startup assistance, such as marketing. In just nine months, distributing Rs 1,000 crore and approving numerous schemes is a significant achievement," he said.
Abdullah credited the coordination between the government and Jammu and Kashmir Bank for the scheme's progress.
