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difference in differences

  • 双重差分:双重差分(DID或DD)是一种在计量经济学和社会科学的定量研究中使用的统计技术,试图通过研究治疗组与对照组在自然实验中的差异效应来模拟实验研究设计。它通过比较治疗组的结果变量随时间的平均变化与对照组的时间平均变化来计算治疗(即解释变量或自变量)对结果(即响应变量或因变量)的影响。尽管它旨在减轻外部因素和选择偏差的影响,但根据治疗组的选择方式,该方法仍可能受到某些偏差的影响(例如,均值回归、逆因果关系和遗漏变量偏差)。

网络释义

  倍差法

本文拟采 用倍差法(Differences in Differences)解决这个难题,Meyer(1995)对倍差法进行了详细的讨论, 本文不再赘述。

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短语

differences in nonverbal differences 非语言性差异

双语例句原声例句权威例句

  • If these differences correspond with the differences in the hemispheric trunkline, there is an unalterable distinction between the sexes.

    如果这些差异大脑半球躯干的差异相一致,那么两性之间一个不可改变的区别

    youdao

  • In other words, whatever inborn differences two people may exhibit in their abilities to memorize, those differences are swamped by how well each person "encodes" the information.

    话说,无论个人记忆力上有什么先天差异这些差异都会每个对信息的“编码能力所掩盖。

    youdao

  • In broad terms, the heritability of a trait measures the extent to which differences among members of a population can be explained by differences in their genetics.

    广义上讲,性状遗传性衡量群体成员差异多大程度上可以用基因差异解释

    youdao

更多双语例句
  • Mister Boas believed that the environment people grow up in -- not family genes caused most cultural differences among people.

    VOA: special.2010.01.17

  • So, we devoted a lecture early on--of a couple of weeks ago, to individual differences across people in intelligence and personality.

    几周之前我们用了一整节课,来讲人与人之间的智力与个性差异。

    耶鲁公开课 - 心理学导论课程节选

  • the differences in salaries and everything are less here than they are in Brazil and that's good.

    工资和其它的不平等在这里没有在巴西那么严重,这一点很好。

    关于巴西 - SpeakingMax英语口语达人

更多原声例句
  • But Kastelein also presented another analysis showing that in ENHANCE, differences in cholesterol level based on Zocor resulted in differences in artery thickness.

    FORBES: Magazine Article

  • He recommends that exporters make sure that price differences in rich and poor markets reflect real differences in quality, or differences in the extra services attached.

    ECONOMIST: Pricing strategies

  • They are also saying that price discrimination, whether to take advantage of differences in patients' risks or differences in their ability to pay, is not such a bad thing.

    FORBES: An Ounce of Prevention

更多权威例句
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