Comment or Piaget’s theory: Though most psychologist accept the Piagetion idea of orderly sequence to cognitive development most research has failed to demonstrate the existence of specific cognitive structures proposed by Piaget for the concrete and formal operational stages. Additionally, Piagetian explanation for the younger child’s inability to solve conservation problems, and also the absence of necessary cognitive structures has been questioned by more recent studies (Lee 1989). They think that the critical factor in the child’s failure solve such problems may be inadequate memory capacity rather than inadequate cognitive ability. Cognitive – Perception of an art distinct from emotions or volition. Volition – Voluantary act (willing). Clinical application It is necessary to assess the child’s behaviour is developmental (age appropriate) or psychopathological (abnormal behaviour). Ex: Separation anxiety is a normal reaction in children between the ages 9 months and 4 years. However if the same response is seen in
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