- Although many parents believe that bilingualism results in
language delay, research suggests that monolingual and bilingual
children meet major language developmental milestones
at similar times.
- Despite many parents’ fear that using two languages will result
in confusion for their children, there is no research evidence
to support this. On the contrary, use of two languages in the
same conversation has been found to be a sign of mastery of
I found this recent research particularly interesting because I live in a household with newborn twins whose mother is a speech and language pathologist. Although everyone in the household had agreed that it would be beneficial that I speak Spanish to the infants, we did wonder about the "speech delay" issue. My own background is in linguistics and bilingual education, but I hadn't heard about the concept of speech delay until talking with my daughter-in-law. We had both unsuccessfully searched for relevant research previously, but now we have this excellent article with references.