From Concordia University:

Most young children are essentialists: They believe that human and animal characteristics are innate. That kind of reasoning can lead them to think that traits like native language and clothing preference are intrinsic rather than acquired.

 

But a new study from Concordia suggests that certain bilingual kids are more likely to understand that it’s what one learns, rather than what one is born with, that makes up a person’s psychological attributes.

 

Read more:

http://www.concordia.ca/cunews/main/stories/2015/01/13/how-bilingualism-affects-childrens-beliefs.html