Research shows that children prefer to befriend, listen to, and imitate people who speak similarly to them. While most of this research has been conducted on monolingual (speaking only one language) children from Western societies, a growing subset of research has begun examining whether this pattern holds for children from more diverse linguistic and cultural backgrounds. A new meta-analysis including studies with monolingual as well as bilingual children helps to shed light on the range of factors that contribute to the development of linguistic-based biases in early childhood. Understanding these patterns can eventually guide efforts to diminish biases based on how one speaks.