Bilingual development
3–5 years
Article · 7 min
Language difference is not a language disorder
Why bilingual children are sometimes over- or under-identified, and what fair assessment looks like.
A disorder shows up in every language a child speaks. A difference shows up only in the newer language.
Standardized English tests were normed on monolingual English speakers. Used alone with a bilingual child, they mislead.
Fair assessment uses parent interview, language sampling in both languages, and dynamic assessment.
Available in 6 languages
Each version is reviewed by a bilingual clinician from that community before it is published.
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