But he says even with stories where animals talk, sometimes it can be really hard to reach children.

VOA: standard.2009.12.11

One thing it's important for is clever developmental psychologists have used habituation as a way to study people, creatures who can't talk like nonhuman animals, and young babies.

原因之一就是,聪明的发展心理学家们将习惯化,作为研究人类，研究诸如非人类动物或是婴儿这样,无法进行言语表达的生物，的一种方式。

耶鲁公开课 - 心理学导论课程节选

One thing it's important for is clever developmental psychologists have used habituation as a way to study people, creatures who can't talk like nonhuman animals, and young babies.

原因之一就是,聪明的发展心理学家们将习惯化,作为研究人类，研究诸如非人类动物或是婴儿这样,无法进行言语表达的生物，的一种方式。

耶鲁公开课 - 心理学导论课程节选