How much does education affect intelligence?
A new study has found that a year of schooling improves IQ scores by 1 to 5 points.
“Our analyses provide the strongest evidence yet that education raises intelligence test scores,” said psychological scientist Dr. Stuart J. Ritchie of the University of Edinburgh. “We looked at 42 datasets 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...
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