- Children acquire language through a creative process, not through direct instruction, and are born with an innate language faculty that enables them to learn grammar from linguistic input.
- Children progress through stages in language acquisition from babbling to one-word utterances to putting words together in sentences according to the grammatical rules of their language.
- Theories of language acquisition include the idea that children extract rules through analogy, imitation, and reinforcement from their environment or that they are guided by an innate universal grammar.