It should be noted that the two groups of children had been carefully matched by the investigators so that they were comparable in age, ethnicity, race, and social class.
值得注意的是，调查人员对这两组儿童进行了仔细的比对，以便他们在年龄、民族、种族和社会阶层方面具有可比性。
Recently, for example, psychologists at Yale University showed a cartoon to two groups of children.
例如，最近耶鲁大学的心理学家向两组孩子展示同一组漫画。
Observe the clinical treatment of two groups of children with adverse reactions.
观察两组患儿的临床治疗与不良反应情况。
Mueller and Dweck, 1998. We gave two groups of children problems from an IQ test, and we praised them.
米勒和德韦克，1998。我们给两组孩子智商测试的问题，并且称赞他们。
The results show that Chinese phonological awareness of two groups of children with special needs is significantly lower than that of normal children.
结果表明，两类特殊儿童的汉语语音意识能力明显低于正常儿童。
Results clinical symptoms and signs of two groups of children are improved, and the therapeutic effect of the observation group is obviously better than control group (P<0.05).
结果两组患儿临床症状、体征均得以改善，观察组改善明显优于对照组（P<0.05）。
Results clinical symptoms and signs of two groups of children are improved, and the therapeutic effect of the observation group is obviously better than control group (P<0.05).
结果两组患儿临床症状、体征均得以改善，观察组改善明显优于对照组（P<0.05）。
应用推荐