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--- learning_theories:stage_theory_of_cognitive_development [2011/04/11 14:15]
jpetrovic [Criticism]
+++ learning_theories:stage_theory_of_cognitive_development [2011/04/11 14:17]
jpetrovic [Criticism]
@@ Line 41: / Line 41: @@
 ===== Criticism =====
-One of the criticisms of Piaget's theory lies on the fact that nor him or coworkers didn't leave an instrument for diagnosing child's current stage of cognitive development.
+A common criticism of Piaget's theory lies on the fact that nor him or coworkers didn't leave an instrument for diagnosing child's current stage of cognitive development. Still, as a border between preoperational period and operational period Piaget suggested **conservation experiments**. For example, two equal glasses filled with liquid are presented to a child, after which liquid out of one glass is poured into a third, more narrow glass. The child is then asked which glass holds more liquid. Only a child in the concrete- or formal-operational  period should realize both glasses hold equal amount of liquid. According to Piaget's theory, these stage differences cannot be overcome using any kind of training.
-Still, as a border between preoperational period and operational period Piaget suggested conservation experiments. For example, two equal glasses filled with liquid are presented to a child, after which liquid out of one glass is poured into a third, more narrow glass. The child is then asked which glass holds more liquid. Only a child in the concrete- or formal-operational  period should realize both glasses hold equal amount of liquid. According to Piaget's theory, these stage differences cannot be overcome using any kind of training.
+But a number of experiments((For details see: [[http://www.scribd.com/doc/41760294/Educational-Psychology-a-Century-of-Contributions|Zimmerman, Barry J., and Dale H. Schunk. Educational psychology: a century of contributions. Routledge, 2003.]])) have proved the opposite. The child's **ability to learn is not so strictly defined by his current stage of cognitive development** in accordance with Piaget's theory.
-But a number of experiments((For details see: [[http://www.scribd.com/doc/41760294/Educational-Psychology-a-Century-of-Contributions|Zimmerman, Barry J., and Dale H. Schunk. Educational psychology: a century of contributions. Routledge, 2003.]])) have proved the opposite. The children's ability to learn is not so strictly defined by their current stage in accordance with Piaget's theory.
 As the result criticisms of Piaget usually emphasized that,

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