絵画語い発達検査を用いた聾学校児童生徒の語彙能力の変化

概要

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The purpose of the present research was to evaluate the vocabulary acquisition of pupils in a school for the Deaf by comparing the results of administrations of the Picture Vocabulary Test in 1989 and 2007. A signi cant di erence between the two administrations of the test was not found, although there was a signi cant di erence between the lower and upper grades in vocabulary age at each grade. In addition, the number of pupils whose vocabulary age was scored as 8 and 9 increased between the two administrations of the test. Those pupils had been trained to use more abstract vocabulary, rather than concrete expressions. This change may be related to the use of sign language and other characteristics at this school for the Deaf. Moreover, the number of pupils whose vocabulary age was 2 years showed a tendency to increase. Methods for promoting the acquisition of a concrete vocabulary should be considered.