and we have a study to prove it.
The NY Times reports today:
The eldest children in families tend to develop slightly higher I.Q.s than their younger siblings, researchers are reporting, based on a large study that could effectively settle more than a half-century of scientific debate about the relationship between I.Q. and birth order.
I’ve emailed the article to my four younger brothers. Read: Study Says Eldest Children Have Higher I.Q.s
