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探索双语延迟的假设在有或没有发育语言障碍的儿童中
Elizabeth D Peña1, Lisa M Bedore2, Alejandro Granados Vargas1
1University of California, Irvine.
发展性语言障碍 (DLD) 的双语儿童表现出混合语言的主导地位,特别是在较低的英语接触的情况下. 考虑他们最好的语言成绩是准确临床决策的关键.
科学领域:
- 语音和语言病理学 语言病理学
- 发展心理学 发展心理学
- 双语研究 双语研究
背景情况:
- 由于单语评估方法,双语儿童经常被误认为患有发育性语言障碍 (DLD).
- 双语延迟的假设可以掩盖双语儿童的真实语言能力.
研究的目的:
- 调查双语儿童与没有DLD的混合语言主导地位.
- 探索英语语言暴露对主导模式的影响.
主要方法:
- 分析了595名西班牙语-英语双语儿童 (5-12岁) 的数据,其中100名患有DLD.
- 使用后勤回归来评估基于能力和英语暴露的混合主导地位.
- 在双语英语-西班牙语评估中检查了西班牙语,英语的表现和最佳语言成绩.
主要成果:
- 混合主导与语言能力和英语接触有关.
- 患有DLD的儿童显示出更混合的主导地位,0-60%的英语暴露.
- 在考虑最佳语言成绩时,表现差异与能力有关,而不是暴露.
结论:
- 双语能力和DLD识别需要理解动态双语.
- 在较低英语暴露水平的DLD和无DLD儿童之间,混合主导模式不同.
- 对于双语儿童的临床决策应该考虑最好的语言成绩,而不是简单的暴露指标.
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