I use a combination of blind and non-blind test scores to show that middle school teachers favor girls in their evaluations. This favoritism, estimated as individual teacher effects, has long-term consequences: as measured by their national evaluations three years later, male students make less progress than their female counterparts. On the other hand, girls who benefit from gender bias in math are more likely to select a science track in high school. Without teachers’ bias in favor of girls, the gender gap in choosing a science track would be 12.5% larger in favor of boys.

中文翻译：

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男孩落后：教师的性别偏见如何影响学生的学习成绩

我结合盲测和非盲测验分数来表明，中学教师在评估中偏爱女孩。这种偏itis，估计是个别教师的影响，会产生长期后果：根据三年后的国家评估，男学生的进步少于女同学。另一方面，从数学上的性别偏见中受益的女孩更有可能在高中时选择科学课程。如果没有教师偏爱女孩的偏见，则选择科学学科的性别差距将比男孩偏大12.5％。