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you decide to do a conservation test with your 7 year old niece alyssa. you arrange two rows of five pennies so they are equal in length. alyssa view both rows and states that they have the same amount of pennies. you then spread out the pennies in the bottom row so it appears to be wider or longer than the top row. alsyssa says that even though the bottom row looks like it has more pennies because the line is wider, the top and bottom row actually contain the same number of pennies. according to alyssa's answer, what stage of cognitive development is she in?

User Lifang
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Final answer:

Alyssa's understanding of conservation indicates that she is in Piaget's concrete operational stage of cognitive development.

Step-by-step explanation:

Alyssa's ability to grasp that the number of items (pennies) remains the same regardless of the arrangement or spacing represents a cognitive skill known as conservation. According to Jean Piaget's stages of cognitive development, Alyssa appears to be in the concrete operational stage, which typically encompasses ages 7 to 11. In this stage, children can think logically about concrete events, meaning they can understand that altering the appearance of an object does not change its quantity, mass, or volume.

User Investigator
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