Research finds sibling aggression to be common, though often dismissed as 'normal'

AI Summary

Research finds that sibling aggression—including physical acts, threats, and name-calling—is common but is often dismissed as normal. The researchers say it has received limited psychological study despite its potential long-term effects.

Sibling aggression takes many forms, like hitting, shoving, threatening or calling names. Although sibling aggression is widespread and can shape people for years, it hasn't been studied well by psychological researchers.