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 ...

Notable middle children who defy the 'overlooked' stereotype include Martin Luther King Jr., Madonna, Warren Buffett, and ...

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