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&ensp;&ensp;&ensp;&ensp;3.5　研究的内部效度 
&ensp;&ensp;&ensp;&ensp;为了提供对理论的有效测试，研究必须反映“自变量”对“因变量”的确。下面小编给大家分享研究的内部效度，希望能帮助到大家。 研究的内部效度文档下载网址链接：</div></div><div class=\"download_card_btn download_card_btn_lb\"><div class=\"content_box_tj\"><span>推荐度：</span><img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\">	<img src=\"/skin/zhann/images/icon_star.png\" alt=\"\"></div><div class=\"downlod_btn_right demo_tc downlod_btn_right_lb\"><em class=\"downlod_icon\"></em>点击下载文档<span>文档为doc格式</span></div> </div></div></a>';
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