AP Psychology / Unit 3: Development and Learning
3.5 Communication and Language Development
Notes
- Stages: cooing → babbling (around 4 months) → one-word → two-word (telegraphic) speech → full sentences.
- Parts: phonemes (sounds), morphemes (meaning units), grammar (syntax, semantics).
- Chomsky: inborn language capacity. Critical period for language.
Practice
"Want juice" from a toddler is:
Two-word stage.
The smallest unit of meaning in a language:
"s" in "cats" is a morpheme.
A child says "I goed" instead of "I went." This is:
Applying -ed to everything.
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