Many people believe that birth order shapes our personalities and has impact on the careers we choose, and the ways we behave. However, it is difficult to conduct good research on birth order, and ...

Researchers are further exploring the notion that having an older brother increases a man's chances of being gay. It's called fraternal birth order effect. Researchers are further exploring the notion ...

Birth order may play a bigger role in shaping who you are than you even realize. From the stereotypical elder, middle, and youngest sibling traits to the unique qualifications that shake things up, ...

There are lots of expectations and assumptions about how birth order may shape our adult lives, and many of them go back ages. Centuries ago, the oldest son had huge incentives to stay on track and ...

Birth order doesn’t just determine when family photos are arranged. According to developmental psychologists, your position in the family constellation significantly influences personality development ...

How much do you know about the differences in children attributable to birth order, spacing and gender? Why are certain traits attached to the firstborn, and other characteristics more common in the ...

Many people know nothing about the mutual fund manager whose investment decisions impact the performance of their IRA and 401(k) accounts. But new research suggests it's well worth one's while to know ...