真实验设计大多数情 况下可以既使用前测设计（pretest design）又使用后测设计 （posttest design）；在一些特殊情况下，如Ij；『测可能会让受试者 产生警觉，则可以只使用后测。
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二,单组前测----后测设计单组前测一后测设计(one-group pretest-posttest design)与前项设计唯一均不同在于施予处理之前,增加一项观察(前测).
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Experiment 2 had a randomized multigroup posttest design.
实验2采用随机多组后测设计。
参考来源 - 贝叶斯推理完成特点及影响因素·2,447,543篇论文数据，部分数据来源于NoteExpress
方法：试验采用单因素随机区组设计，定株定期进行调查测定，收获后测各器官干重、产量和主要有效成分含量。
Method: Single factor randomized block design was applied, plant samples were collected and investigated periodically, and dry weight, production and the main active ingredient content were measured.
实验在我学院04级设备专业与03级机电专业同时进行，采用“实验组对照组前测后测”的设计方案。
The experiment is done in Grade 03 of Machinery and Electronics and Grade 04 of Machinery and Equipment apparently.
该领域的大部分研究只设计了立即后测，因而关于长时保持力方面的证据有待更多的研究。
The related studies mostly design an immediate post test, so further evidence about long-term retention is needed. The present study, based on Steinel et al.
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