L1 Acquisition—12 -36 months.ppt

L1 Acquisition—12 -36 months Stages of First Language Acquisition—12 months on Holophrastic stage — 12-24 months idiomorphs mutual exclusivity and whole object bias overgeneralizations, undergeneralizations referential vs. expressive children Two-word Stage — 24-30 months Subject-verb ‘Mary go.’ Verb-modifier ‘Push truck.’ Possessor-possesed ‘Mommy sock’ Content words, no function words Telegraphic Stage — 30-36 months 2-5 words with little extra morphology Morphological overgeneralization Easier, more productive morphemes first Basic methods for studying children post linguistically Observations Wug tests ERPs (Event related potentials) Experimental trickery 1. Observations Many of these studies done in 1950’s – 70’s Usually linguists or psychologists would follow own children around with tape recorder and analyze their language development 1. Observations At 1 year; 1 month (babbling) (in IPA): Production Production /ava/ /baewa/ /aelu/ /daev?u/ /aw?/ /gigi/ /n?/ /paba/ At 1 year, 6 months: Gloss Production Gloss Production baby /bebi/ go /go/ bear /baeu/ big /gIg/ bib /bIb/ Brenda /pEnt?/ blue /pu/ walk /wak/ M: Did you tell Daddy what you had for tea? N: aga (eggs) and gagadoodoodoo (cockadoodledoo = cornflakes [because of the picture on the box] cockadoodledoo also means a weathervane on a church spire and so he remembers his walk as well) tika (sticks) too. M: You didn’t have cornflakes for tea! And you didn’t have sticks either! N: ho (holes) too. (laughing—thinking this is a joke) M: You didn’t have sticks and holes for tea! N: doba (toast) Go wakin’, dada. (“I went walking, daddy”) F: What did you see on your walk? N: see ka (“I saw a car”) F: Yes, you went for a ride in a car, didn’t you? What else did you see? N: piti dedi mamma on gara (“a pretty flower (daisy) for momma in the garden”). [The flower wasn’t a daisy, but he calls all flowers daisies] (Parents get N. ready for bed) N: Help? Need help?