The Developing Person: Are you all grown up?
Read the examples below~
In each of the three examples above, the children are displaying what Jean Piaget called the lack of conservation. You and I know that if you have one hot dog and you cut this hot dog into four pieces or into nine, it is still the same hot dog. In the second example, 30 cents is the sum of each of their coins, but since Teddy has three coins, Lisa believed she had less money. In the final example, even though a cup looks different, 10 ounces is 10 ounces no matter the shape of the cup.
Jean Piaget A developmental psychologist who theorized that people all enter into four stages of cognitive development.
Lack of Conservation The concept that the principle remains the same despite changes in shape.
We are going to look at Jean Piaget's theory on Cognitive Development~