Which of the following is the correct order of Piaget's stages of cognitive development?

Two-Ton, the circus elephant, can balance his whole weight on one of his front legs. What is the likely way in which Two-Ton learned his trick?

a) shaping successive approximations b) classical conditioning c) paired associations d) negative reinforcement

Baby Pedro has combined his reaching, grasping, and sucking schemes into one higher-order scheme that allows him to reach for his pacifier and put it into his mouth to suck. In Piaget's theory, this achievement is an example of

A) accommodation. B) assimilation. C) organization. D) adaptation.