该研究是第一次利用随机实验数据来获知社区与肥胖及糖尿病之间的联系，他说。
The study is the first to use data from a randomized experiment to learn about the connection between neighborhoods and risk of obesity and diabetes, he says.
比如说随机实验学派经常援引行为经济学的观点来解释他们的实验结果。
The randomistas, for example, often invoke behavioural explanations for their experimental results.
研究设计：前瞻性随机实验研究，一猪模型腰椎前路椎体间融合实验研究。
Study Design. Prospective and randomized experimental study with anterior lumbar interbody fusion in a porcine model.
排除的389篇中301篇为未随机实验或重复性研究，88篇为综述类文章。
Totally 301 among the excluded 389 were random experiment or repetitive study and 88 were reviewed papers.
因支持随机实验这两位经济学家声名鹊起，而且从新的角度定义了他们的学科。
The two economists made their names (and remade their discipline) by championing randomised trials.
经济学家对增长缺乏了解，这将使得他们无法证明为人笃定的随机实验，将有怎样的重要性。
Economists do not know enough about growth, he says, to justify their obsession with it, however important it may be.
多米尼西说准实验法是近似一个随机实验的很好方法，“尤其是在这种不可能做随机实验的情况下。”
Dominici said the quasi-experimental approach was a good approximation of a randomized experiment, "especially in this situation where a randomized experiment is not possible. ""
现在的这项研究证实了在安慰剂作为对照的随机实验中，一种选择性COX - 2抑制剂也有这种效应。
This study now demonstrates such an effect for a selective COX-2 inhibitor in a placebo-controlled randomized study.
要想找出原因，唯一的方案就是进行随机实验，让人们住进不同的社区，并在几年内坚持跟踪他们的健康状况。
The only way to sort out cause and effect is to do a randomized trial, moving people around between neighborhoods and tracking their health over several years.
这个实验的想法来自于观察鸟类使用工具随机挑选物体，比如在一些布上印有蜘蛛的图片。
The idea for the experiment came from observing the birds using tools to pick at random objects, such as a picture of a spider that was printed on some cloth.
在早期的甘茨菲尔德实验中，心灵感应测试用来识别四张照片，这些照片是一个大型图像库中随机选取的。
In early ganzfeld experiments, the telepathy test involved identification of a picture chosen from a random selection of four taken from a large image bank.
实验者带着速度旋钮回到那里，在随机的时间间隔里，他只是给他们的心跳录音带加速，然后再减速。
The experimenter is back there with the speed knob and at random intervals, he just speeds up the tape of their heart and then slows it down.
大约30年前他做了第一个实验，与记忆力相关：训练一个人听，然后复述一组随机的数字。
His first experiment, nearly 30 years ago, involved memory: training a person to hear and then repeat a random series of Numbers.
请记住测量结果是随机的，因此如果您正反复做这个实验，您的结果可能会有所不同。
Keep in mind that the outcome of a measurement is random, so if you're repeating this experiment, your mileage may vary.
实验工作表明，每大约一百万个随机的肽里，就有一个可以绑定一个特定的分子靶。
Experimental work shows that about one random peptide in a million can bind to a given molecular target.
为了测试这几种方法，实验情境设定为：请求60个随机选取的路人帮忙照看一辆自行车10分钟。
To test all these methods, the experimenters asked 60 random passers-by to look after a bicycle for 10 minutes.
在其中一个实验中，参与者必须观察12个随机在屏幕上飘过的点，并快速的估计出总体的运动方向。
In one, the participants had to watch 12 dots moving randomly on ascreen and quickly assess their aggregate direction of movement.
该研究是在墨西哥进行的一个更大的随机控制实验的组成部分，研究者是埃默里大学和当地的研究者。
The study was part of a larger randomized controlled trial conducted in Mexico by researchers from Emory University and local investigators.
NLST则是第一次包含大量随机指定的受试者的实验，使得在螺旋CT成像和X射线胸透之间做死亡率的比较成为了可能。
The NLST is the first trial with sufficient numbers of participants using a randomized design to enable the comparison of mortality differences between spiral CT and chest X-ray, Aberle said.
为这项新的研究，研究者随机选取了113名肥胖少年和他们的家庭进行了一年的不同减肥餐的实验。
For the new study, researchers randomly assigned 113 obese teens and their families to different diets for a year.
实验者回到实验室，带着录音设备，随机地，他加速了心跳的录音，然后又慢下来。
And the experimenter is back there with the speed knob and at random intervals he just speeds up the tape of their heart and then slows it down.
研究人员正计划通过一项随机对照实验将度洛西丁与安慰剂进行对比。
The researchers are planning a randomized, controlled trial comparing duloxetine to placebo.
但是，如果在将实验的设计原则应用于Web数据收集过程时您更加主动(例如，在您的Web民意测验过程中随机选择投票者)，那么可以改变这种情形。
This can change, however, if you become more proactive in applying experimental design tenets to your Web data collection procedures (such as, randomize the selection of voters in your Web polls).
在本次研究中，招募了170名男女，年龄在21 - 75岁之间，随机分成4个治疗组，进行为期14周的实验。
In this study, 170 men and women, aged 21 to 75, were randomly assigned toone of the following four treatment conditions for 14 weeks.
他们确定了包含149203人的11项研究（其中有7项预期实验和3项随机对照实验）。
They identified 11 studies (seven prospective studies and three randomised controlled trials) involving 149,203 people.
实验的参与者被随机分配到每天都服用绿茶饮料或胶囊制品的实验组和服用安慰剂胶囊和喝低儿茶素的茶或者更直接饮用水的控制组。
Participants were randomly assigned to either use green tea every day, as a beverage or capsule, or be part of "control" groups that took placebo capsules, drank a low-catechin tea or downed water.
米尔·格兰姆做了个实验，他寄信给随机选出来的熟人，请他们通过他们的朋友再将信传给一个不认识的人。
Milgram conducted experiments by sending letters to random acquaintances, asking them to pass the letter on through their friends to an unknown person.
为了检验这一理论，研究者们进行了一项实验，在实验中参与者们观察一系列随机的光点图形。
To test that theory, researchers conducted an experiment in which participants viewed a series of random dot patterns.
对于药物，科研的黄金标准是随机临床实验，即一部分患者用药而另一部分用安慰剂。
With drugs, the gold standard for research is a randomized clinical trial in which some patients take a drug and others a placebo.
对于药物，科研的黄金标准是随机临床实验，即一部分患者用药而另一部分用安慰剂。
With drugs, the gold standard for research is a randomized clinical trial in which some patients take a drug and others a placebo.
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