A Study of Preparatory Behaviors in Language-Delayed Children. Utilization of a VCR Analysis System.

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  • 言語発達遅滞児の言語訓練における待機動作　ＶＴＲによる１試行分析
  • —Utilization of a VCR Analysis System—
  • ―VTRによる1試行分析―

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A behavioral analysis system which utilizes a VCR and a video printer was developed to investigate the interaction between a language-delayed child and the clinician. The responding behaviors of three languageless children with moderate to severe mental retardation were analyzed with this system focusing on preparatory behaviors.<BR>All three children demonstrated preparatory behaviors just before starting to display expected responses. From the results it appears that preparatory behavior is one of the characteristic behaviors which are observed in the process of language acquisition.<BR>Preparatory behaviors: behaviors of manual response (e. g. hand-raising or hand-turning) which children demonstrate prior to giving expected responses such as showing an object. These uniform behaviors are seen in the language-learning stage after the emergence of orientational responses (e. g. looking at an object) .

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