Whorf used the now-famous example of the many words Inuits use for snow to support the

Piaget noted that preschool children spent a great deal of time talking to themselves, even when playing together, and that the 'conversations' had nothing to do with the speech of the children around them. He called this process

Piaget theorized that _____ preceded and aided the development of _____.

Vygotsky believed that

Three-year-old Jamal is learning how to wait his turn to talk during circle time in preschool. Jamal is learning the _____ of language.

The cognitive universalism theory states that

According to linguist Noam Chomsky, a language acquisition device (LAD) is

Language allows people to _____ and _____.

Researchers have found that animals _____ with one another.