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xuepeng.y

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[求助] 试验设计 3英文句子翻译 已有1人参与

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.
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woaichenog

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xuepeng.y: 金币+12, ★★★★★最佳答案, 十分感谢,句子来自Angela Dean & Daniel Voss的design and Analysis of Experiments.感谢解答! 2015-04-22 06:01:38
试验运行下的试验条件应能代表试验结论适用的那些方面。
然而,增加试验范围的一个不成功的结果是响应变异性的增加.
受试者或试验开始前用于治疗的试验材料的随机分布,确保了由未知变异来源而产生的有利的或不利的观察项是“随机抽签选择出来的”而不是系统性地选择出来的.

仅供参考!
2楼2015-04-21 15:28:45
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