New birth order research suggests that eldest kids have the highest IQ compared to their younger siblings.
The massive study, published in the Journal of Research in Personality, analyzed the traits of 377,000 high school students.
In the end, researchers found that first-born children have a single-point advantage when it comes to IQ and that first-borns were more “extroverted, agreeable and conscientious” overall.
As a first born child, I approve this message!
Read a more thorough summary HERE! And access the study HERE!