ABSTRACT
In all cultures, the language-learning child is exposed to a model of a particular language and, not surprisingly, acquires that language. Thus, linguistic input dearly has an effect on the child's acquisition of language. Nevertheless, it is possible that linguistic input does not affect all aspects of language development uniformly, and that variations in linguistic input will alter the course of development of some properties of language but not others. In our previous work, we have focused on isolating the properties of language whose development can withstand wide variations in learning conditionsproperties of language that we have termed resilient.
