1, Piaget's methods were innovative at the time 2, Recent research suggets this is difficult to replicate unless you follow the principles exactly 3, Used in today's education.
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Limitations of Piaget
1, modification is a huge problem, making tasks child friendly makes them more achievable 2, Piaget criticised for his sampling method, used his own children/friends 3, Ages/stages are too prescriptive leading to underestimation/overestimation.
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Who is Chomsky and What did he do?
A psychologist who suggested that our ability to develop a signed or spoken language is genetically programmed into us.
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Chomsky's language development at 3 months
Infants begin to make babbling noises as they learn to control their speech muscles.
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Chomsky's language development at 12 months
Infants begin to imitate sounds made by carers such as 'dada'. This develops into single words.
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Chomsky's language development at 2 years
Infants begin to make 2-word sentences like 'cat-goed'- the cat has gone-. They also begin to build their vocabulary.
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Chomsky's langauage development at 3 years
Children begin to make simple sentences 'i want a drink'. This develops into the ability to ask questions. Knowledge of voccab grows quickly.
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Chomsky's language development at 4 years
Children begin to use clear sentences, although they make grammar mistakes.
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Chomsky's language development at 5 years
Children can speak using adult grammar although vocab will continue to grow. By 5, children can be expected to use language effectively.
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Strengths of Chomsky
1, All people go through the same stages 2, We're told about grammar at school, we already know how to use it before we are taught.
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Limitations of Chomsky
1, 'Mama ball'- if learn by listening, how is this possible
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