Definitions for "Preoperational stage"
In Piaget's theory, the second major stage of cognitive development (approximately from age 2 to age 7), in which children become more sophisticated in their use of symbolic thought but are not yet able to use logic. (194)
The period of human development between the ages of two and seven, described by Jean Piaget, during which children are not able to perform various cognitive tasks.
according to Piaget, the stage of cognitive development that occurs between ages 2 and 7.