Lexical development
- Created by: Luke Mitchell
- Created on: 19-01-13 11:28
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- Lexical development
- First word categories (Nelson)
- Classes of objects e.g. "dog"
- Specific objects e.g. "mummy"
- Actions /events e.g. "stop"
- modifying things e.g. "dirty"
- Personal/ social e.g. "bye"
- Underextension
- child uses word in very restricted way e.g. child says "hat" meaning only her hat that she wears and not any others
- Overextension
- child uses a word to refer to several different but related things e.g. use of "cat" referring to all four legged animals.
- Rescorla 2 types of overextension
- Categorical: used to refer to things in similar category e.g. word "car" used for buses, trucks and other four-wheeled vehicle (most common)
- Analogical: word used to refer to things that aren't clearly in same category but have some physical or functional relation to each other e.g. word "hat" used for anything near/ connected with the head
- First word categories (Nelson)
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