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sampling biases中文是什么意思

  • 《英文msh詞典》Sampling Biases
  • [入口詞] Sampling Biases
  • [主題詞] Selection Bias
  • [英文釋義] The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias,error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample.

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  • 例句與用法
  • Process-dissociation procedure; pure measurement; sampling bias; memory; consciousness
    過程分離程序純凈測(cè)量取樣偏差記憶意識(shí)
  • Small sample bias
    小樣本偏誤
  • To avoid sampling bias, they restricted their analysis to one group of animals ? the bivalve molluscs ? that fossilise well
    為了防止取樣的偏頗,他們將分析的對(duì)象限制在一類化石記錄保存完備動(dòng)物??雙殼類軟體動(dòng)物。
  • This made a small-scale sampling to develop a database of school teacher's information literacy through, used regression analysis to determine the weight distribution of evaluation indicators by means of minimum sampling bias, and set up a set of quantitative indicators for the evaluation of teacher's information literacy
    摘要本文認(rèn)為通過小范圍的教師樣本可獲取關(guān)于教師信息素養(yǎng)量化評(píng)價(jià)指標(biāo)和總的教師信息素養(yǎng)數(shù)據(jù),運(yùn)用回歸分析法最小化樣本偏差可獲取各評(píng)價(jià)指標(biāo)對(duì)應(yīng)的合理的權(quán)重分布,從而建立一個(gè)適應(yīng)各學(xué)校實(shí)際情況的教師信息素養(yǎng)量化評(píng)價(jià)指標(biāo)體系。
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