In his study two groups of people listened to a person talking in a noisy room.

在他的研究中，两组人听一个人在嘈杂的房间里讲话。

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Others, like case study two, are industry specific, yet have typical challenges that can be successfully addressed by SOA.

其他案例(如第二个案例)是特定于行业的，其中也包含可由SOA成功处理的典型挑战。

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Second, study two hours a day after school.

第二，每天放学后学习两个小时。

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In nineteen eighty-three, he began to study more than twenty-two thousand healthy male doctors over forty years of age.

VOA: special.2009.10.20

Right. Another way of saying it is there isn't random assignment of the subjects to the two conditions in the study.

换种方式说,受试者并不是随机安排在,这个研究中的两种情况下。

耶鲁公开课 - 心理学导论课程节选

Now here's a study that was done ten years later in nineteen-ninety-two, in this case it was with obese subjects.

这个实验是十年后的1992年做的,研究主题是肥胖

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The New England Journal of Medicine published a study two weeks ago showing, amazingly, that eating chocolate might make you smarter.

FORBES: Chocolate Makes Us Smarter. Or Does It?

In a study two years ago, Nissen used the same ultrasound technology to compare Lipitor to Pravachol, a weaker drug made by Bristol-Myers Squibb.

FORBES: Magazine Article

During the meeting Friday, some committee members said they wanted to study two additional sites out of respect for teachers who said they couldn't return to Sandy Hook.

WSJ: Sandy Hook's School Planning Divides Newtown, Conn.