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小学生非认知技能的黑人—白人差距

The Black-White Gap in Noncognitive Skills among Elementary School Children
American Economic Journal: Applied Economics · 2021 · Todd Elder、Yuqing Zhou

中文摘要

利用两套具有全国代表性的数据集,我们发现黑人与白人儿童在教师报告的非认知技能指标上存在巨大差异。我们表明,由于参照偏差(reference bias),教师报告低估了真实的黑人—白人技能差距:教师似乎是以同一学校内的其他学生为参照来评价儿童的,而黑人学生同学的技能平均水平低于白人学生的同学。我们采用三种方法来处理这些参照偏差。每种方法都使估计的非认知技能黑人—白人差距几乎翻倍,在三年级达到约 0.9 个标准差。

Abstract

Using two nationally representative datasets, we find large differences between Black and White children in teacher-reported measures of noncognitive skills. We show that teacher reports understate true Black-White skill gaps because of reference bias: teachers appear to rate children relative to others in the same school, and Black students have lower-skilled classmates on average than do White students. We pursue three approaches to addressing these reference biases. Each approach nearly doubles the estimated Black-White gaps in noncognitive skills, to roughly 0.9 standard deviations in third grade.
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