Children can extractgeneralisablerules from language, rather than just memorising words. They used Made up words when asked to use past tense. Regardless of ethnicity, language, class or culture. Proves concept of LAD
Fis phenomonenon
Burko and Brown
when a child refused to accept an adults pronunciation of the word they just said, children perceivephonemes before they are able to produce them. Even though adult corrects ‘fis‘ to ‘fish’ they resist