许多父母就行为问题咨询儿童心理学家。

Many parents consult a child ___psychologist for behavioral issues.

学校雇佣教育心理学家来帮助解决学习困难。

Schools employ an educational ___psychologist to assist with learning difficulties.

一些心理学家研究环境如何影响人类情绪。

Some ___psychologists research how environments affect human emotions.