There were 4 trials meeting selection criteria, enrolling a total of 1232 randomly assigned participants.

有四项研究符合收纳标准，共收纳1232 位随机分配的受试者。

youdao

Steinberg and Gardner randomly assigned some participants to play alone or with two same-age peers looking on.

斯坦伯格和加德纳随机分配了一些参与者，让他们单独玩或者让两个同龄的同伴看着他们玩。

youdao

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.

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。

youdao

To test various strategies, researchers randomly assigned participants to one of three groups.

VOA: standard.2010.07.30

Researchers in Germany randomly assigned participants to a mindfulness intervention group or a control group.

FORBES: Tired, Stressed Out, Need A break? Recognize It But Don't React

Dr Fast's experiment randomly assigned each of 213 participants to one of four situations that manipulated their status and power.

ECONOMIST: But power without status corrupts absolutely

Unbeknownst to them, the participants were randomly assigned to one of three user-interface conditions.

FORBES: Why We Blab Our Intimate Secrets on Facebook