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  • 研究表明:差老师可能会带坏好学生

    研究表明:差老师可能会带坏好学生


    来源:路透社  文章作者:佚名

      路透社华盛顿消息:美国的一项研究表明,差老师可能对好学生造成不良影响。
      研究人员今天说,一项少有的遗传研究证实了关于好老师作用很大的说法,并表明差老师甚至能给有天赋的学生造成不良影响。
      研究表明,好教师可以帮助好学生更好地阅读,而差教师能使全班学生都降到一般水平。这项研究结果发表在《科学》杂志上。
      佛罗里达州立大学行为遗传学家珍妮特·泰勒和同事的研究结果断定:“在教师都很优秀的情况下,学生的阅读成绩不同很大程度上可能是遗传因素所致。然而,教学方法不当使学生无法充分发挥自己的潜力!
      为了了解基因与环境的关系,研究人员采用了久经考验的双胞胎模型。同卵双胞胎的DNA完全相同,而异卵双胞胎的DNA大约只有一半相同,就像任何兄弟姐妹的情况一样。
      他们认为,如果同卵双胞胎中的一个比在不同班里的另一个学得好,那么很大程度上说,成绩的差别就一定是老师造成的。
      他们对佛罗里达州学校一年级和二年级的280对同卵双胞胎和526对异卵双胞胎进行了研究。
      为了确定老师的教学质量,他们通过朗读流畅度测验给双胞胎中的一个所在的整个班打分。
      如果老师是好老师,基因的作用确实非常重要。如果同卵双胞胎中的一个跟着好老师而成绩优异,另一个也是如此,但是如果双胞胎中的一个跟的是好老师而另一个跟的是差老师,在差教师班的一个则表现平平。
      


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