As gambriella was swinging her doll, the doll flew out of her hand and landed behind the couch out of view. rather than look for it, gambriella acted as though the doll no longer existed. her behavior suggests that she is in the of cognitive development. (a) sensorimotor. (b) preoperational.(c) concrete operational. (d) formal operational.

"Sensorimotor Stage"

Explanation:

Based on Gambriella's behavior we can say that she is in the middle of the "Sensorimotor Stage" of cognitive development. Jean Piaget's is the doctor that developed the cognitive theory of development. According to Dr. Piaget this stage applies to children 2 years old or younger. This Stage is when a child learns about objects through his/her senses and physical interactions with that object.

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