A new TikTok trend is tugging at heartstrings and making everyone reach for the tissue box. This time, it’s not a questionable stunt raising eyebrows among psychologists and parents, but rather a ...

Modern research echoes Adler’s theses. In simple terms, siblings differentiate themselves to reduce direct competition. If one child becomes the “responsible one,” another may lean into creativity or ...

Eighty percent of American children grow up with at least one brother or sister—more than the number of kids living with their fathers. Yet, for more than a century, psychological research has largely ...