Child language acquisition

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  • Child language acquisition
    • Theorists
      • Cognitive Theories
        • Piaget
          • split language into 4 stages
          • connected to psychological and intellectual development
            • complex utterances when developed complex ideas
        • Vygotsky
          • 2 roles
            • 1-communication 1-thought
            • roles work together
      • Interactionist
        • J Bruner
          • LASS
            • scaffolds language development
            • ritualised activities have rules and predicatbility
          • importance of interaction as learn how language is used
        • CDS
      • Nativists
        • Chomsky
          • LAD
            • innate
            • Extracts rules from language heard around. Pre-programmed with rules
              • 'poverty of stimulus' quality of langauge is not high enough to simply copy
            • CDS can not be the only thing responsble
      • Behaviourists
        • Skinner
          • operative condition
            • through positive and negative reinforcement learn grammatical utteraces
              • imitation theory
    • Stages of language development
      • pre-linguistic (0-12months)
        • Crystal 5 stages
        • holophrastic (12-18 mon)
          • dietetic 1 word phrases
          • two word stage (18-24mon)
            • understandable and grammatical
            • telegraphic (24-30)
              • adds auxilary verbs, determinese and prepositions
              • post-telegraphic (30+)
                • use of tense and aspect
    • Lexical devlopment
      • 18 months - productive vocabulary
        • 50 words   60% nouns
      • overextension- cover more things of similar properties
        • Analogical - extending one label from one item to another by connecting their functions
          • Mismatch statements- connection between what is ormally the case
            • Categorical -extends meaning to other members in the same catergory
      • under-extension -  narrow definition of the word's meanings
        • overextension- cover more things of similar properties
          • Analogical - extending one label from one item to another by connecting their functions
            • Mismatch statements- connection between what is ormally the case
              • Categorical -extends meaning to other members in the same catergory
  • LAD
    • innate
    • Extracts rules from language heard around. Pre-programmed with rules
      • 'poverty of stimulus' quality of langauge is not high enough to simply copy
    • CDS can not be the only thing responsble

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