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KMID : 1036820140190040430
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Communication Sciences & Disorders
2014 Volume.19 No. 4 p.430 ~ p.446
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Substantives in the Vocabulary of Typically Developing Young Children
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Cha Jae-Eun
Kim Jung-Mee
Kim Soo-Jin
Yoon Mi-Sun
Chang Moon-Soo
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Abstract
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Objectives: This study is to examine the types and tokens of substantives and provide high frequency substantive word list derived from the spontaneous language of Korean young children. Substantives include common nouns (NN), proper nouns (NR), dependent nouns (NX), pronouns (NP), and numeral nouns (NU).
Methods: The subjects were 80 children from age 2;0 to 5;11, selected from the Nazarene Spoken Language Corpus. Types and tokens of substantives were analyzed from a total of 27,485 utterances. Each word class of substantives was analyzed according to age group, and high frequency word lists for each word class were made.
Results: First, the ratio of types and tokens of substantives within the total vocabulary was 43.8% and 25.6%, respectively. The frequency (descending order) of substance types was NN>NR>NX>NP>NU, and the frequency of substance tokens NN>NP>NX>NR>NU. Second, the 2-year-old group’s use of substantives for most word classes differed significantly from the older children. Third, the word lists showed that a limited number of NN, NX, and NP types were used recursively.
Conclusion: An increase in the types and tokens of substantives was salient between the 2- and 3-year-old groups. The most frequent words used at any age were for human beings or objects. Among NNs, the older the children became, the more time category nouns they used. These results are discussed from a language development and Korean linguistics point of view.
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KEYWORD
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Language corpus, Substantives, Common nouns, Proper nouns, Dependent nouns, Pronouns, Numeral nouns, Types, Token, High frequency word list
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Listed journal information
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