Jake Is Playing Hide-And-Seek with His Mother

Multiple Choice

Jake is playing hide-and-seek with his mother. Jake runs over to the couch and hides his head under a pillow. Because Jake cannot see anything, he doesn't think his mother can see him. Jake is exhibiting a behavioral characteristic of which of Piaget's cognitive stages of development?

A) postformal stage
B) concrete operational stage
C) formal operational stage
D) preoperational stage