【摘 要】
：
Although the U.S.federal No Child Left Behind(NCLB) Act has been implemented since 2002,its impacts on school performance and practice have rarely been examined empirically.
【机 构】
：
University of Nebraska-Lincoln,USA Western Michig
论文部分内容阅读
Although the U.S.federal No Child Left Behind(NCLB) Act has been implemented since 2002,its impacts on school performance and practice have rarely been examined empirically.
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