Objective To develop a set of word lists suitable for Chinese autism spectrum disorder (ASD) children learning nouns,and to assess its feasibility,so as to provide materials for language training of ASD children. Methods Totally 480 nouns most commonly used in daily life were selected,and were divided into low,medium,high difficulty levels.Afterwards 121 representative words were selected and the content rationality was evaluated by 3 experts.Then the word list was used to assess the understanding and expression level of 195 ASD children aged 2-8 years and 130 children with normal development by parent self-assessment report,thus the availability was tested. Results 1) The vocabulary list developed in this study was appropriate for ASD children and the difficulty setting was reasonable.2) At the group level,there was no significant difference on the comprehension and expression ability of normal children (t=1.748,P=0.083),and the comprehension ability of ASD children was significantly better than that of expression ability (t=18.31,P<0.001). At the individual level,there was individual heterogeneity in the development of comprehension and expression ability in both groups.3) The results of multivariate analysis of variance within the two groups showed that in the normal children group,the main effect of difficulty was significant (F=204.67,P<0.001),the main effect of age was significant (F=37.40,,P<0.001),and the interaction between difficulty and age was significant (F=12.20,P<0.001).In ASD children,the main effect of difficulty was significant (F=234.48,P<0.001),the main effect of age was significant (F=17.20,P<0.001),and the interaction between the two was significant (F=4.95,P<0.001). Conclusions This study is the first to design a noun word list suitable for language teaching of ASD children,which was proven with reasonable content and difficulty.Moreover,it can well assess whether children′s vocabulary expression and comprehension levels are synchronized,and distinguish children with different levels of vocabulary development in both normal children and ASD children.
Key words
autism children /
language ability development /
vocabulary /
teaching tool
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