对年轻语言儿童的ADOS-2算法进行种族种族比较
概括
在自闭症诊断观察计划,第二版 (ADOS-2) 模块1和模块2项目上的差异项目功能 (DIF) 在幼儿中进行了分析. 发现了DIF,但不太可能影响不同种族和种族群体的临床解释.
科学领域:
- 发展心理学 发展心理学
- 临床心理学 临床心理学
- 心理测量 心理测量 心理测量
背景情况:
- 自闭症诊断观察表,第二版 (ADOS-2) 是诊断自闭症谱系障碍 (ASD) 的关键工具.
- 确保ADOS-2在不同的人口群体,特别是来自不同种族和种族背景的幼儿中公平地运行,对于准确的诊断至关重要.
- 以前的研究已经在老年人群中探索了差异物品功能 (DIF),但对其对学龄前儿童的影响知之甚少.
研究的目的:
- 进行ADOS-2模块1和模块2算法对象在3-5岁的黑人,西班牙裔和白人儿童之间进行比较分析.
- 调查差异物品功能 (DIF) 和差异测试功能 (DTF) 在学龄前儿童的ADOS-2亚尺度上的存在和影响.
- 为了确定观察到的DIF模式是否与对老年人群的研究结果一致.
主要方法:
- 利用了研究探索早期发育 (SEED) 的数据,其中包括918名儿童用于模块1和881名儿童用于模块2.
- 对ADOS-2第1模块 (一些词) 和第2模块 (短语) 项目进行了跨种族和族群 (黑人,西班牙裔,白人) 的比较分析.
- 对社会影响和限制性重复行为 (RRB) 项目的显著差异性项目功能 (DIF) 和每个子级别的差异性测试功能 (DTF) 进行评估.
主要成果:
- 在两个模块中的ADOS-2社会影响和限制性重复行为 (RRB) 项目中确定了显著的DIF.
- 不同测试功能 (DTF) 是最小的,每个子尺度的值接近于零 (范围: -0.07到0.08).
- 当将这些结果与老年人群的研究进行比较时,没有明显的模式出现,这表明独特的样本差异可能会影响项目级差异.
结论:
- 虽然在不同种族和种族背景的学龄前儿童的ADOS-2上存在项目级分数差异 (DIF),但这些差异不太可能影响整体规模的解释.
- 最小的DTF表明,ADOS-2子尺度在测试水平上保持了这些组的测量一致性.
- 研究结果表明,临床医生通常可以依靠ADOS-2级别对学龄前儿童的解释,无论他们的种族或种族背景如何.
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