They didn't know if they responded correctly or incorrectly after each trial because there was no reward or punishment.
因为没有奖励或惩罚，他们不知道每次试验后自己的回答是正确的还是错误的。
As in a previous study, the monkeys were given a third choice that would allow them to pass on to a new trial.
在之前的研究中，猴子们得到了第三种选择，使他们可以继续进行新的试验。
Next the researcher introduced a third option, a third paddle that would initiate a new trial, giving the dolphin the choice of passing on difficult trials.
接下来，研究人员引入了第三种选择，用第三只桨启动一个新的试验，让海豚选择跳过困难的试验。
In other words, by pressing the pass paddle, the dolphin avoided having to wait and hasten the possibility of a full reward by moving directly to the next trial.
换句话说，通过按下传递桨，海豚不必等待，可以通过直接进入下一个试验来增加获得全部奖励的可能性。
The study included 386 kindergarteners from schools in the Fast Track Project, a multi-site clinical trial in the U. S. that in 1991 began tracking how children developed across their lives.
这项研究涵盖了参加“目标追踪计划”项目的学校中的386名幼儿园学童，该项目是一个美国的多点临床试验项目，从1991年开始追踪儿童一生的发展情况。
Robots are currently under a two-year trial in Wales which will train "farmbots" to herd, monitor the health of livestock, and make sure there is enough pasture for them to graze on.
目前，威尔士正在对机器人进行为期两年的试验，他们将训练“农场机器人”来放牧、监测牲畜的健康状况，并确保有足够的草场来饲养他们。
For one trial, each participant was shown a pile of pens that the researcher claimed were from a previous experiment.
其中一项试验中，研究人员向每一位参与者展示了一堆笔，并声称这些笔来自先前的一项实验。
What those early craftsmen had found by trial and error was that under pressure a pagoda's loose stack of floors could be made to slither to and fro independent of one another.
"那些早期的工匠通过反复试验发现：在压力作用下，宝塔松散堆叠的楼层可以彼此独立地来回滑动。
A trial project by the Montreal Children's Hospital suggested that the use of medical hypnosis can reduce pain and anxiety in patients.
蒙特利尔儿童医院的一个试验项目表明，医疗催眠的使用可以减轻病人的痛苦和焦虑。
However, I doubt it will be possible to carry out a proper clinical trial because everyone has heard aspirin may be useful.
不过，我怀疑进行适当的临床试验的可能性，因为每个人都听说过阿斯匹林可能是有用的。
The details of the greenhouse trial are published in Plant Biotechnology Journal.
温室试验的细节刊登在《植物生物科技杂志》上。
You initialize the class with values indicating the number of experiments you want to run, the number of trials per experiment, and the number of options per trial.
您可以用以下值初始化该类：要做实验的次数、每个实验中所做尝试的次数，以及每次试验的选项数目。
A WHO recommendation for use will depend on the final results from the large clinical trial.
世卫组织的使用建议将取决于这项大规模临床试验的最后结果。
This multicenter trial questions the benefits of DHA supplementation during pregnancy.
这项试验质疑了在孕期服用DHA补充剂的益处。
To reduce confusion and as a service to aid in the unambiguous identification of trials, the ICTRP Search Portal attempts to bridge (group together) such multiple records about the same trial.
为了减少试验明确识别方面的混淆，并作为服务而提供帮助，ICTRP一站式检索入口尝试关联检索同一个试验的多个记录。
Lots of trial, error, and sometimes a little luck.
通过大量的试验、错误，有时候还需要一点点运气。
The trial included patients aged 5–65 years with scabies who attended the dermatology department at the Institut d’Hygiène Sociale in Dakar, Senegal.
该试验的研究对象是在塞内加尔首都达喀尔的社区卫生保健站皮肤科看病的5至65岁的疥疮患者。
It will likely be an iterative process as well, using the trial and error approach again.
这很可能也是一个迭代过程，同样应该使用反复试验的方法。
Most are doing so without the help of doctors, and none is enrolled in any systematic clinical trial of the substance.
他们很多都不等医生的帮助就擅自服用，更没有接受系统临床试验的登记。
This will help keep you focused on conditioning the trial and allow you to view results with less bias.
这将有利于你关注试验的状态，而不是用有色眼镜看待斗争结果。
For instance, he recently heard from a former participant in a clinical trial who'd just finished a degree and was doing well.
例如，他最近听一个曾参加一项临床试验的患者刚拿到了他的博士学位并且很出色。
We are just now writing up the results of a small randomized, controlled trial suggesting there may be large effect sizes with this intervention.
我们刚刚写完一小组随机控制试验的结果，它显示出这种疗法可能很有成效。
It has not only standardized what must be reported to register a trial but is creating a global trial identification system that will confer a unique reference number on every qualified trial.
它不只使注册试验时须报告的内容标准化，而且建立了一个全球试验鉴定系统，为每项合格的试验颁发一个独有的参考号码。
When a trial is re-registered, all known identifiers for the trial should be submitted. These include trial registration Numbers allocated by other registries.
当某个试验再次注册时，应提交该试验所有已知的标识符，包括其他注册中心分配的试验注册编号。
Now Weill Cornell Medical Center in New York and the drug company Baxter International have launched a much larger trial to confirm the early results.
现在纽约威尔·康奈尔医学中心与制药公司百特国际已经启动了一次规模更大的试验，以确认早期试验的结果。
Better batteries, carbon capture and photovoltaics all depend on the material science, yet it's still a very trial-and-error science.
更好的电池，碳捕捉和光电都完全取决于材料科学，尽管它仍是一门在失败基础上反复试验的科学。
They are talking about the results of a new trial. Here, "trial" means "test" - the test of a new medicine on animals or patients.
他们正在讨论一个新试验的结果——新药在动物和患者身上的测验。
They are talking about the results of a new trial. Here, "trial" means "test" - the test of a new medicine on animals or patients.
他们正在讨论一个新试验的结果——新药在动物和患者身上的测验。
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