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[求助]
試驗(yàn)設(shè)計(jì) 3英文句子翻譯 已有1人參與
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The experimental conditions under which an experiment is run should be representative of those to which conclusions of the experiments are to be applied. However, an unfortunate consequence of increasing the scope of the experiment is an increase in the variability of the response A random assignment of the subjects or experimental material to treatments prior to the start of the experiment ensures that observations that are favored or adversely affected by unknown sources of variation are observations "selected in the luck of draw" and not systemically selected. |
銀蟲(chóng) (小有名氣)
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試驗(yàn)運(yùn)行下的試驗(yàn)條件應(yīng)能代表試驗(yàn)結(jié)論適用的那些方面。 然而,增加試驗(yàn)范圍的一個(gè)不成功的結(jié)果是響應(yīng)變異性的增加. 受試者或試驗(yàn)開(kāi)始前用于治療的試驗(yàn)材料的隨機(jī)分布,確保了由未知變異來(lái)源而產(chǎn)生的有利的或不利的觀察項(xiàng)是“隨機(jī)抽簽選擇出來(lái)的”而不是系統(tǒng)性地選擇出來(lái)的. 僅供參考! |
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