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   “Thereisnoevidence that anyamount ofhomeworkimproves...

  •    “Thereisnoevidence that anyamount ofhomeworkimproves...

  • 问题详情：   “Thereisnoevidence that anyamount ofhomeworkimproves theacademic performance of elementary students?”    Thisstatement,byhomeworkresearch expert harris Cooper, ofDukeUniversity,is surprisingtohear,nomatterwhichsideoft...
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