研究对象(study participants):来自源人群的直接用 于研究的个体。 由样本获得的研究结果能否推论至 源人群乃至目标人群都与研究对象 的代表性有关。
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CARDIA study scientists weighed and measured the waist circumference and BMI of study participants.
从事 CARDIA 研究的科学家们,对研究参与者进行称重和腰围与身体质量指数(BMI)的测量。
CARDIA study scientists weighed and measured the waist circumference and BMI of study participants.
从事 CARDIA 研究的科学家们,对研究参与者进行称重和腰围与身体质量指数(BMI)的测量。
Overall, study participants fared better on the test after reading literary fiction, versus the other three conditions.
总的来说,与其他三种情况相比,阅读文学小说后的研究参与者在测试中表现得更好。
Study participants included more than 39,000 men and 157,000 women.
VOA: standard.2010.06.25
"Compared to the most active group of women." During the study, the average weight of the participants went up by six pounds, or 2.7 kilograms.
VOA: standard.2010.03.30
Researchers from Brigham Young University analyzed 148 studies with a total of some 300,000 participants, tracking their social relationships and whether they survived to the end of their particular study, which averaged about seven years.
VOA: standard.2010.07.29
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