Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 20

Piaget's theory of cognitive development includes four stages, each of which is characterized by the development of particular kinds of reasoning. The first stage, during which infants learn about their environments by relating their sensory experiences (such as hearing and seeing) to their motor actions, is called the (a) _____ stage. The second stage, during which infants learn to use symbols to think about things that are not present and to help them solve simple problems, is called the (b) _____ stage. The third stage, during which children learn to perform a number of logical mental operations on objects that are physically present, is called the (c) _____ stage. The fourth stage, during which adolescents and adults develop the ability to think about and solve abstract problems in a logical manner, is called the (d) _____ stage.