Forcing a sequential experiment to be balanced
使序贯实验保持分组平衡AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要直接讨论实验中处理组与对照组的序贯分配及实验偏差控制。
反馈分类问题使序贯实验保持分组平衡AI 解读 ↓
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Subjects arrive sequentially at an experimental site and must be assigned immediately to treatment or control groups. In order to avoid biasing the results of the experiment it is customary to make the assignments by independent flips of a fair coin, but in small-sized experiments this may result in a severe imbalance between the numbers of treatments and controls. This paper discusses a new method of assigning the subjects which tends to balance the experiment, but at the same time is not over vulnerable to various common forms of experimental bias.