Birth order theory has been around for more than 100 years. In the early 1900s, Austrian psychologist Alfred Adler, a contemporary of Freud, first suggested that birth order defined our personality.

Birth order theory has been around for more than 100 years. In the early 1900s, Austrian psychologist Alfred Adler, a contemporary of Freud, first suggested that birth order defined our personality.

Our topic was birth order and the way it influences how we grow up. A woman came on the line to complain bitterly that, because she was the youngest in a large family, no one would take her seriously.

Birth order has been in the news recently, on foot of a study published by Norwegian scientists, showing that first-born children enjoy on average a two to three-point IQ advantage over their ...

First born, second child, middle child, only child, the baby of the family: does birth order really mean anything when it comes to our personalities?

Three years ago when my son was born, my life changed forever. The first few months were the most difficult of my life, but the ones that followed were among the best. Every day I watch as he ...

Birth order can also have an impact in unexpected areas. For example, researchers found that firstborn children have a greater difficulty absorbing sugars into the blood and have a higher daytime ...

Explaining the relation between birth order and intelligence. Science, 316(5832), 1717. Damian, R. & Roberts, B. (2015). Settling the debate on birth order and personality.

What’s the birth-order theory conception of an “oldest child”? According to Adler, firstborn children are likely to be neurotic (as a function of having to learn to share their parents once another ...