Birth order has no effect on child IQ and personality
Posted: 07/20/2015 07:20 PM IST
The scientists from University of Illinois have revealed that there is no link between the birth order and child IQ. To prove this, the researchers observed 377,000 high school students and found that first-borns do have higher IQs and consistently different personality traits than those born later in the family chronology.
"This is a conspicuously large sample size," said lead author Brent Roberts in the department of psychology from the University of Illinois. "It's the biggest in history looking at birth order and personality," he added.
The first-borns tended to be more extroverted, agreeable and conscientious, and had less anxiety than later-borns. The analysis also revealed consistent differences in personality traits between first-borns and later-borns. "But these differences were small, amounting to a correlation of 0.02," Roberts said.
By Lizitha
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