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A cross-sectional study into the development and interconnection of word recall ability, object naming and categorization abilities in two-to-four- year-old children Masashi Shiomi 1 , Mitsuo Matsuyama 2 , Sumio Tsuzuki 3 , Yuuji Ishikawa 1 1Department of Speech, Language, and Hearing Pathology, Kochi Rehabilitation Institute 2Department of Speech-Language-Hearing Therapy, Kyushu University of Health and Welfare 3Department of Speech, Language and Hearing Therapy, Mejiro University Keyword: 2~4歳児 , 語想起 , カテゴリー分類 , 事物名称命名 , children aged 2-4 years , word fluency , category classification , object naming pp.74-78
Published Date 2006/7/15
DOI https://doi.org/10.11477/mf.6001100076
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 We performed a cross-sectional study on word fluency, which is considered a basic ability for referring to fine differences in word meaning in spoken language. We also assessed category classification ability and object naming ability. The subjects were 64 healthy children aged from 2 years 0 months to 4 years 11 months. Each child performed three tasks (word fluency, category classification, and object naming). The children were classified into 6 groups by chronological age at 6-month intervals. The groups were compared in terms of the number of children who could accomplish all three tasks and the correct answer rate. The mean number of correct answers in the word fluency task increased with age in groups older than 3 years 6 months;however, the number of subjects who passed all three tasks did not change in groups older than 3 years 6 months. When the results of the category classification and object naming tasks were examined in the 3 years 6 months to 3 years 11 months group, the mean number of correct answers was higher for both tasks in the subgroup of children who passed the word fluency task than in the subgroup who did not. These results are discussed in terms of the task contents, task order, and the relationship among the three abilities.


Copyright © 2006, Japanese Association of Speech-Language-Hearing Therapists. All rights reserved.

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電子版ISSN 印刷版ISSN 1349-5828 日本言語聴覚士協会

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