The behaviorists maintain that, like machines, humans respond to environmental stimuli as the basis of their behavior.
行为主义者坚信，人象机器一样，对环境的刺激作出反应，这是他们行为的基础。
2
On the other hand, many evolutionary biologists, in contrast to animal behaviorists, acknowledge some emotions primarily for their survival function.
另一方面，与动物行为研究学家相反，许多进化生物学家认为情感的主要作用还是帮助生存。
3
On the other hand the behaviorists told us that children are MALLEABLE, kids are blank slates with nothing written on them until they are molded by their parents.