Piaget
emphasises biological side of cognitive development. Social and cultural context emphasised in
Vygotsky. Child is active learner as in piaget, but rejects individualistic
view of developing the child.
Basic idea- Individuals are endowed with
basic perceptual, attention and memory capacities like all animals which grows
in first 2 years. Aquisition of language leads to profound change in thinking
through participation in social dialogues and masters culturally important
tasks. As a result basic mental capacities are transformed into uniquely human
higher cognitive processes.
Private speech- Piagets ego centric speech reflects
childs difficulty in taking perspectives of others. Changes as cognitive
develpment. Sees others have diff. Openions, so changes it into social speech.
But vygotsky objects it, calls it self guidance. Tasks difficult at begining so
self talk to keep motivated, decision making etc. Later it goes off coz task
easy. Accepted version.
Social
Orgin of Cognitive development- learning of new cognitive skills happens in
zone of proximal development- tasks too difficult for child to do alone but
possible with help of adults or more skilled. To promote cognitive development, social
interaction must have certain features-
(a) Intersubjectivity- process by
which two paricipants who begin a task with different understanding arrived at
a shared understanding. Common ground for communication
(b) Scaffolding- adjusting the
support offered during teaching session to fit child’s current level of
performance. Also called guided participation
Make
believe play- its important source of
development during preschool days.- learns in two ways- (i) create imaginary
situation,learn to act acoording any internal ideas, and not just react to
external stimuli. (ii) its rule-based nature, also strengthens childs capacity
to think before they act. Make believe
play serves as a zone of proximal development, supporting emergence and
refinement of many competencies.
Vygotsky and Education-
Emphasises
the importance of social context. Vygotskian classroom is similiar to Piagetian
in terms of accepting individual differences and promote active participation,
yet goes beyond a step by promoting assisted discovery. Teachers intervent in
each students zone of proximal development. Two typical Vygotskian educational
innovations are-
(a) Reciprocal Teaching- a teacher and two to four children take a group
and takes turn leading dialogues on content of text passage. Within dialogues,
group members apply four coginitive strategies- questioning, summarizing,
clarifying and predicting. (Reading
Comprehension)
(b) Cooperative Learning- among
more expert children. Peeers help fellow being to fit less mature child’s zone
of proximal development.
Evaluation
of Vygotsky’s Theory
Vygostsky’s
theory includes cultural variation in cognitive skills unlike Piaget who spoke
of universal . Undervalues role of teaching in coginitive development.
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