用新语言表型评估 (LPA) 评估典型发育儿童的语言理解发展里程碑
Andrey Vyshedskiy1, Ariella Pevzner2, Brigid Mack1
1Boston University, Boston, MA 02215, USA.
Children (Basel, Switzerland)
|June 26, 2025
概括
典型的发育儿童在三个阶段获得语言理解技能:命令,修改器和语法表型. 语言表型评估 (LPA) 工具有助于在5岁之前识别这些发展里程碑.
科学领域:
- 发展心理学 发展心理学
- 语言学的语言学.
- 儿科 儿科 儿科
背景情况:
- 在语言缺陷的个体中,已知有三个语言理解表型 (命令,修改器,语法).
- 这些表型代表着语法理解水平的不断提高.
- 假设典型的发育儿童也通过这些表型进步.
研究的目的:
- 在典型发育的儿童中确定三个语言理解表型中的每一个典型的出现年龄.
- 验证语言表型评估 (LPA) 作为测量这些表型的工具.
主要方法:
- 开发了15项语言表型评估 (LPA),使用玩具动物操纵和新奇的词组合.
- 给116名年龄在1.5-7岁的典型发育儿童服用LPA.
- 通过观察孩子对涉及颜色,尺寸,数字和前置词的指示的反应来评估理解.
主要成果:
- 50%的孩子在1.6岁时实现了指令表型,在3.0岁时实现了修改器,在3.7岁时实现了语法.
- 所有孩子在3岁时都获得了指令表型,在4岁时获得了修改器,在5岁时获得了语法表型.
- 观察到与三个表型一致的发育轨迹.
结论:
- 语言表型评估 (LPA) 有效地评估1.5-5岁儿童的语言理解能力.
- 早期识别理解困难是可能的LPA.
- 此评估可以支持及时启动语言干预.
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