Piaget described preschool children in terms of what they cannot, rather than can, understand
Operations are mental representations of actions that obey logical rules
In the Preoperational stage, children's thinking is rigid, limited to one aspect of a situation at a time, and strongly influenced by the way things appear at the moment
Egocentric is the inability to distinguish the symbolic viewpoints of others from one's own
Animistic Thinking is the belief that inanimate objects have lifelike qualities, such as thoughts, wishes, feelings, and intentions
Conservation refers to the idea that certain physical characteristics of objects remain the same, even when outward appearance changes
Transductive Reasoning is a reasoning from one particular event to another particular event, instead of from general to particular or particular to general
Lack of Hierarchical Classifications is the organization of objects into classes and subclasses on the basis of similarities and differences between the groups