“…Kupisch and Meisel remind us that, since the 1980s, a vast and important body of research has been conducted on child bilingualism and bilingual first language acquisition in Europe (De Houwer 2009, Deuchar and Quay 2000, Döpke 1992, Ezeizabarrena Segurola 2001, Lanza 2004, Meisel 1994, 2007, Müller and Hulk 2001, and, we would like to add, in Canada (Genesee 1989, Genesee et al 1995. This work has shown that young children keep their two linguistic systems separate from the onset of bilingual acquisition and go through the same developmental milestones in each language that monolingual children do.…”