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Can we devise a new measure of syntactic complexity for language acquisition? Duna ú jv á ros, March 18, 2004 Marijan Palmović Laboratory for Psycholinguistic Research University of Zagreb [email protected] http://public.srce.hr/labpolin/.
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Can we devise a new measure of syntactic complexity for language acquisition?
Dunaújváros, March 18, 2004
Laboratory for Psycholinguistic Research
University of Zagreb
- Does not discriminate between children of various developmental rate?
Croatian corpus (CHILDES): MLU in morphemes
Croatian corpus (CHILDES): MLU in words
Type/token ratio (TTR)
NDW – Number of Different Words
Fixing the number of tokens, not utterances
VOCD: a smarter TTR
- Accounts for the file size
-- takes randomly chosen samples of text
-causative state, causative achievement…
The ice melted. Hot water melted the ice.
State predicate’ (x) or (x,y)
Activity do’ (x, [predicate’ (x) or (x,y)])
Achievement INGR predicate’ (x) or (x,y)
Accomplishment BECOME predicate’ (x) or (x,y)
Lexical representation for the basic Aktionsart classes:
(Van Valin, LaPolla, 1997)
John ate the fish. do’ (John, [eat’ (John, fish)])
Macroroles actor undergoer
NP V NP
John ate the fish yesterday
do’ (John, [eat’ (John, fish)])
Table representing the number of different verb classes
- the first step
*ANT: Ja idem tebi.
%Eng: I am going to you.
*ANT: Ja ću ovo držati.
%Eng: I will hold this.
*ANT: Neću tebi dati olovku.
%Eng: I will not give you the pencil.
Interclausal Relations Hierarchy - IRH
Attach points to different juncture and nexus types…
…to modify the scale obtained from points given for logical form variety
Strongest connection: nuclear cosubordination
John pushed open the door.
Vince wiped the table clean.
-should be acquired first!
John je gurnuo vrata i otvorio ih.
Vinko je očistio stol.
The question about the acquisition of complex sentences is reduced to the question about the child’s ability to learn IRH with the stronger connection ocurring first.
in the purposive construction
Antonija, 1;7: two word sentences, e.g.Hocem ovo. ‘Want this.’ 5+0
Antonija, 1;9 core cosubordination:Idemo pjevati! ‘Let’s sing!’ 4+5
Antonija, 1;10: clausal coordination:
Nis-am pjev-a-la, nego ja s-am pak-a-la.
Be_not-1SG:PRES sing-5-PART:F but I be-1SG:PRES cry-5-PART:F
\'I was not singing, but I was crying.\'
Antonija, 1;7: two word sentences – 5:
MLU (words) = 1,57
MLU (morphemes) = 2,29
Antonija, 1;9 core cosubordination – 9:
MLU (words) = 2,43
MLU (morphemes) = 3,53
Antonija, 1;10: clausal coordination – 13:
MLU (words) = 2,19
MLU (morphemes) = 3,43