Firstborns are leaders,” said the 64-year-old author of 32 books, including “The Birth Order Book” (Revell, 1985). “When you talk marriages of firstborns, that is two sheep butting heads ...

An exploration of how sibling position influences personality development. Birth order doesn't just determine when family ...

Ph.D., author of "The Birth Order Book: Why You Are the Way You Are." Firstborns are also sometimes said to be better at relating to adults than to other kids, since they're so used to interacting ...

While birth order is known to influence people’s personality traits and behavior, whether you’re the cautious first-born or ...

Research into the significance of birth order was first championed by Austrian ... Katrin Schumann, an educational consultant and co-author of book The Secret Power Of Middle Children, told ...

When you think about your childhood, how much do relationships with your siblings come to mind? Or, what if you had no siblings, and could therefore claim the status (and the throne?) as the only ...

Using Leman's book and the previous studies, we've identified the best (and worst) mates based on birth order. Remember, this is only a general guide and not all marriages and individuals will ...

Online, “eldest daughter syndrome” has launched a discussion about how gender and birth order might be able to affect a person’s personality. It’s not an official mental health diagnosis ...