Author Question: George dumps a bag of marbles onto the ground, scattering the marbles all over. He tells his mother ... (Read 115 times)

HCHenry · **on:** Jun 19, 2018

George dumps a bag of marbles onto the ground, scattering the marbles all over. He tells his mother that there are more marbles now. George is demonstrating that he has not achieved the concept of ____.

a. object permanence
b. accommodation
c. symbols
d. conservation

Question 2

Rachel can sort objects by size or color and can solve simple addition and subtraction problems. However, she cannot think logically about abstract ideas such as freedom and justice. Rachel is most likely in Piaget's ____ stage of cognitive development.

a. sensorimotor
b. preoperational
c. concrete operational
d. formal operational