Sample Selectivity and the Validity of International Student Achievement Tests in Economic Research
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下载链接：
https://www.nber.org/papers/w15867
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资源简介：
Critics of international student comparisons argue that results may be influenced by differences in the extent to which countries adequately sample their entire student populations. In this research note, we show that larger exclusion and non-response rates are related to better country average
提供机构：
美国国家经济研究局
创建时间：
2010-04-01
