Friday, June 22, 2007
Study: Oldest Siblings Generally Score Highest on IQ Tests
As the oldest I found this article intriguing. The most interesting thing about the results of the study is the reason they believe the oldest has a higher IQ. It's not because the oldest hogged the best DNA or anything like that. It's because:

The elder child pulls ahead, he said, perhaps as a result of learning gained through the process of tutoring younger brothers and sisters.

The older child benefits by having to organize and express its thoughts to tutor youngsters, he said, while the later born children may have no one to tutor.

So in this case it's not nature, it's nurture.
Written at 3:52 PM by Highlandgal.
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