After all, it's hard to do a double-blind test when the subjects can see for themselves whether or not the light is on.
毕竟，要做双盲测试是很困难的，因为受试者自己可以看到灯是否亮着。
So, in fact, this double blind placebo controlled study does not guarantee safety or efficacy because the test leaves far too many questions unanswered.
所以实际上，双盲对照研究并不会保证疗效和安全，因为它留下太多无法回答的问题。
Methods The test was randomized, double-blind, parallel study.
方法本试验为随机双盲对照研究。
Methods take forward looking and double-blind methods with 32 cases in test group and 28 cases in control group.
方法采用前瞻性、双盲随机对照试验设计，以加替沙星为对照药，试验组32例，对照组28例。
Many of these benefits have been proven repeatedly in double blind, placebo controlled studies, some only noted in a limited number of test subjects.
许多好处已从对照研究中得到反复证明，有一些仅在部分测试者身上看到。
METHODS: Cortex fraxini total coumarin was involved in a randomized, double-blind, placebo parallel control, dosage-reaction design and superiority test.
方法：采用随机、双盲、安慰剂平行组对照、剂量反应研究设计和优效性检验。
Double blind test was used in whole experiment.
整个实验采用双盲法。
You can test an intervention, such as an experimental drug or an educational program, in the purest way (a double-blind randomized controlled trial).
你可以测试一个干预，比如实验药物或一个教育计划，以最纯粹的方式(双盲随机对照试验)。
You can test an intervention, such as an experimental drug or an educational program, in the purest way (a double-blind randomized controlled trial).
你可以测试一个干预，比如实验药物或一个教育计划，以最纯粹的方式(双盲随机对照试验)。
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