Presentation 2010-05-28
Early lexical development in Japanese-learning twins and singletons. : Comparison by vocabulary checklist method
Keiko K. FUJISAWA, Tessei KOBAYASHI, Juko ANDO,
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Abstract(in English) To determine the existence of language delay in Japanese-learning twins, the present study compared vocabulary sizes of twins with those of singletons at 12, 18, and 24 months of age by using a vocabulary checklist method. Results showed that the vocabulary sizes of twin-boys at 18 and 24 months were significantly smaller than those of singleton-boys despite no difference between those of twin-girls and of singleton-girls. Further analysis showed that twin- and singleton-girls without older siblings had larger vocabulary sizes than those with older siblings whereas twin- and singleton-boys revealed the opposite tendency in vocabulary size.
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Keyword(in English) Early lexical development / language acquisition / Twin / Language delay / Sibling
Paper # TL2010-8
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Committee TL
Conference Date 2010/5/21(1days)
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Registration To Thought and Language (TL)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Early lexical development in Japanese-learning twins and singletons. : Comparison by vocabulary checklist method
Sub Title (in English)
Keyword(1) Early lexical development
Keyword(2) language acquisition
Keyword(3) Twin
Keyword(4) Language delay
Keyword(5) Sibling
1st Author's Name Keiko K. FUJISAWA
1st Author's Affiliation Faculty of Letters, Keio University()
2nd Author's Name Tessei KOBAYASHI
2nd Author's Affiliation NTT Communication Science Laboratories, NTT Corp.
3rd Author's Name Juko ANDO
3rd Author's Affiliation NTT Communication Science Laboratories, NTT Corp.
Date 2010-05-28
Paper # TL2010-8
Volume (vol) vol.110
Number (no) 63
Page pp.pp.-
#Pages 6
Date of Issue