PURPOSE The Arabic verb system features a nonlinear root and pattern derivational morphology. Previous studies suggest that young Arabic and Hebrew speakers' early verb use is based on semantic complexity rather than derivational morphological structure. The present study examines the role of morphological and semantic complexity in the emergence of the verb derivational morphology in Arabic speaking children with developmental language disorder (DLD) compared to children with typical language development (TLD). METHOD Natural language data were collected from native Arabic-speaking children (40 with DLD; aged 4-6 years and 133 with TLD aged 2;6-6;0 [years;months]) using picture-based elicitation tasks, and verbs were coded morphologically for derivational features and for features of semantic complexity. RESULTS The results showed that children with DLD demonstrated a more limited production of verb patterns, both in types and in tokens, than age-matched children with TLD. Also, children with DLD age 5;0-6;0 were similar in types and tokens of verb patterns to younger children with TLD at the age of 3;6-4 years. Moreover, while children with TLD at the age of 2;6-3 years used a smaller number of verb patterns than older 4;0-5;0 aged children with DLD, the two groups were not different in verb semantics. Finally, the morphological and semantic diversity demonstrated by the children with DLD was similar to the morphological and semantic diversity shown by children with TLD. CONCLUSION Our findings support the conclusion that children with DLD and with TLD acquire the derivational verb system in the same pathway and the quantitative lexical differences between the two groups support a delay rather than a deviation from the typical developmental trajectory.

中文翻译：

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与正常发育儿童相比，患有发展性语言障碍的儿童阿拉伯语动词模式的出现。


目的 阿拉伯语动词系统具有非线性词根和模式派生形态。先前的研究表明，年轻的阿拉伯语和希伯来语使用者的早期动词使用是基于语义复杂性而不是派生形态结构。本研究探讨了患有发展性语言障碍（DLD）的阿拉伯语儿童与具有典型语言发展（TLD）的儿童相比，形态和语义复杂性在动词派生形态出现中的作用。方法 使用基于图片的启发任务，从以阿拉伯语为母语的儿童（40 名患有 DLD；年龄 4-6 岁和 133 名 TLD 年龄为 2;6-6;0 [年；月]）收集自然语言数据，并将动词针对派生特征和语义复杂性特征进行形态编码。结果 结果表明，与年龄匹配的 TLD 儿童相比，DLD 儿童所表现出的动词模式（无论是类型还是标记）都更加有限。此外，5;0-6;0 岁患有 DLD 的儿童在动词模式的类型和标记上与 3;6-4 岁患有 TLD 的年龄较小的儿童相似。此外，虽然 2;6-3 岁患有 TLD 的儿童比 4;0-5;0 岁患有 DLD 的儿童使用的动词模式较少，但两组在动词语义上没有差异。最后，DLD 儿童表现出的形态和语义多样性与 TLD 儿童表现出的形态和语义多样性相似。结论 我们的研究结果支持这样的结论，即患有 DLD 和 TLD 的儿童以相同的途径获得派生动词系统，并且两组之间的定量词汇差异支持延迟而不是偏离典型的发展轨迹。