Firstborn children often have slightly higher IQs and complete more years of schooling than their younger siblings, but birth order accounts for no meaningful differences in personality.

The study used the HEXACO Personality Inventory to assess 6 personality traits based on sibling birth order: honesty-humility, emotionality, extraversion, agreeableness, conscientiousness, and ...

Have you ever wondered if being the oldest or youngest sibling means anything for your personality? One psychiatrist ...

A recent study shows that middle children are often more honest humble and friendly than their brothers and sisters ...

Middle children rule. That’s according to a new study suggesting the longest-suffering siblings grow up to be “better” than ...

Study reveals parents tend to favor younger siblings, daughters, and the more agreeable — often without realizing it. BYU's ...

The study highlighted that middle children tend to be "more honest, humble, and agreeable" than their siblings.

But a new study suggests parents really do have a favourite kid based on birth order, gender and personality. Although the reasons may be more complex.

Sibling relationships are important. While friendships come and go, you’re stuck with your siblings. This relationship is oftentimes one of the longest relationships in a person’s life.

Siblings share a unique bond built from shared memories, family rituals and the occasional argument. But ask almost anyone ...

Many people claim that whether they are the oldest sibling or the middle child ... Expert Kevin Leman wrote a book on how he believes birth order can influence a relationship, called The New ...