“…IA children face a unique language learning situation that provides a "natural experiment" (Cicchetti, 2003) in which to study children's language learning capacity. Johnson, Albers et al, 1996;Albers et al, 1997;Fisher, Ames, Chisholm & Savioe, 1997;Sloutsky, 1997;Rutter et al, 1998;Johnson & Dole, 1999;Ames, Morison, Fisher, & Chisholm, 2000;Miller & Hendrie, 2000;Mason & Narad, 2005).…”