The study identified factors that seem to increase or decrease the risk that a child will be a bully.

VOA: special.2010.05.06

I study child development for a living and I'm interested in several questions.

我主要研究儿童的发展,我对很多问题都感兴趣

耶鲁公开课 - 心理学导论课程节选

The Duke study with child cerebral palsy patients is a clinical test.

VOA: special.2011.02.01

Professor Christian says that study showed the supplements could improve child survival.

VOA: special.2011.01.05