Monday, February 16, 2015

Essentialism In Kids: Bilingualism Changes Beliefs

Most young children are essentialists, they believe that human and animal characteristics are innate, so traits like native language and clothing preference are intrinsic rather than acquired. It is a natural law that other kids should speak the same language - until other kids don't.

A new study postulates that bilingual kids learn earlier that it's what one learns, rather than what one is born with, that makes up a person's psychological attributes. The study suggests that bilingualism in the preschool years can alter children's beliefs about the world around them. Contrary to their unilingual peers, many kids who have been exposed to a second language after age three believe that an individual's traits arise from experience. 

Concordia University psychology professor Krista Byers-Heinlein and her co-author Bianca Garcia tested a total of 48 monolingual, simultaneous bilingual (learned two languages at once) and sequential bilingual (learned one language and then another) five- and six-year-olds. 

The kids were told stories about babies born to English parents but adopted by Italians, and about ducks raised by dogs. They were then asked if those children would speak English or Italian when they grew up, and whether the babies born to duck parents would quack or bark. The kids were also quizzed on whether the baby born to duck parents would be feathered or furred. 

"We predicted that sequential bilinguals' own experience of learning language would help them understand that human language is actually learned, but that all children would expect other traits such as animal vocalizations and physical characteristics to be innate," says Byers-Heinlein.

She was surprised by the results. Sequential bilinguals did, in fact, show reduced essentialist beliefs about language -- they knew that a baby raised by Italians would speak Italian. But they were also significantly more likely to believe that an animal's physical traits and vocalizations are learned through experience -- that a duck raised by dogs would bark and run rather than quack and fly.

"Both monolinguals and second language learners showed some errors in their thinking, but each group made different kinds of mistakes. Monolinguals were more likely to think that everything is innate, while bilinguals were more likely to think that everything is learned," says Byers-Heinlein.  "Children's systematic errors are really interesting to psychologists, because they help us understand the process of development. Our results provide a striking demonstration that everyday experience in one domain -- language learning -- can alter children's beliefs about a wide range of domains, reducing children's essentialist biases." 

The study is important, they say, because the social implication is that adults who hold stronger essentialist beliefs are more likely to endorse stereotypes and prejudiced attitudes. 

"Our finding that bilingualism reduces essentialist beliefs raises the possibility that early second language education could be used to promote the acceptance of human social and physical diversity," says Byers-Heinlein.
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Science 2.0. 2015. “Essentialism In Kids: Bilingualism Changes Beliefs”. Science 2.0. Posted: January 13, 2015. Available online: http://www.science20.com/news_articles/essentialism_in_kids_bilingualism_changes_beliefs-152231

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