Department of Communication Sciences and Disorders, University of Houston, TX.
Department of Speech, Language and Hearing Sciences, Boston University, MA.
J Speech Lang Hear Res. 2023 Dec 11;66(12):4678-4698. doi: 10.1044/2023_JSLHR-23-00091. Epub 2023 Aug 16.
The purpose of this study was to examine the growth of previously established clinical markers of developmental language disorder (DLD) in Spanish-speaking bilingual children with and without DLD.
Forty-three bilingual children with DLD and 57 typically developing children were tested 3 times over a 2-year period. Their average age at Time 1 was 5;10 (years;months). All children completed an elicitation task examining the production of articles, clitics, verbs, and the subjunctive mood in Spanish at each time point, in addition to other behavioral testing in Spanish and English. We used growth curve analysis to examine change patterns of the morphosyntactic structures over time.
At the onset of the study, children without DLD produced higher accuracy rates than children with DLD across all morphosyntactic structures. In addition, there was a positive effect of time on all structures. Furthermore, the interaction between time and DLD was statistically significant for clitic pronouns.
In agreement with previous literature on language growth in monolingual children with DLD, bilingual children with DLD showed language growth that was parallel to that of bilingual children without DLD but with significantly lower levels of attainment.
本研究旨在考察西班牙语双语发展性语言障碍（DLD）儿童和无 DLD 儿童中先前确立的临床语言障碍标记物的发展情况。
在 2 年的时间内，对 43 名双语 DLD 儿童和 57 名典型发育儿童进行了 3 次测试。他们在第一次测试时的平均年龄为 5 岁 10 个月。所有儿童都在每个时间点完成了一项激发任务，以检查西班牙语中冠词、代词、动词和虚拟语气的使用情况，此外还进行了西班牙语和英语的其他行为测试。我们使用增长曲线分析来检查形态句法结构随时间的变化模式。
在研究开始时，无 DLD 的儿童在所有形态句法结构上的准确率都高于有 DLD 的儿童。此外，所有结构都随着时间的推移呈正相关。此外，时间和 DLD 之间的相互作用对代词的影响具有统计学意义。
与以前关于 DLD 单语儿童语言发展的文献一致，双语 DLD 儿童的语言发展与双语无 DLD 儿童的语言发展平行，但语言发展水平显著较低。
