Johnny is a 4-year-old youngster who is having lunch with his mother and sister. when his mother pours the milk that is left in the carton into the children's glasses, she finds that there isn't enough to fill both glasses, so she carefully pours half of the milk in the shorter, fatter glass into a thin, taller glass in front of johnny's sister. immediately, johnny complains that his sister got more milk than he did, and even when his mother tries to explain that they both got the same amount, johnny insisted he was right. in this example, johnny is demonstrating a lack of development in the area of centration. conservation. concrete operational thought. preoperational thought.

'In this example, Johnny is demonstrating a lack of development in the area of  "conservation."

Conservation alludes to a logical thinking capacity which, as indicated by the psychologist Jean Piaget, is absent in kids amid the preoperational phase of their advancement at ages 2– 7, yet creates in the solid operational stage at ages 7– 11. Conservation alludes to the capacity to confirm that a specific amount will continue as before regardless of alteration of the compartment, shape, or obvious size. Conservation assignments test a kid's capacity to see that a few properties are rationed or invariant after a question experiences physical change.

answer; ///the declaration of independence;

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