HD FS 229 Lecture Notes - Lecture 26: Peer Group, Petting Zoo, Apache Hadoop
18 Oct 2016
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Child thinks it only applies to one object rather than a general concept: example: blanket. Only refers to their secure blanket: overextension. Example: at a petting zoo: pointing to all animals and calling it a cow even though there are different labels/names, with practice, we stop underextending and overextending. Elementary school: 5 11 years, vocabulary explodes. 20 new words per day on average. Hit puberty: fast-mapping starts to disappear, 40,000-word vocabulary by the end of elementary school, average adult vocab: Use more a lot: simple sentences. 2. 5 years of age: 3. 5 4 years of age. Subject-verb-object sequence: consistent in use at this point. Turnabout: taking turns in conversation, 2 years of age. Shading: gradual change of topic, 5 years of age. Speech registers: how to speak to people of different positions and roles. Romantic partner: 4 7 years of age, example: Slang: tone of voice, body posture, social acceptance.
