Irreversibility: Piaget’s term for a preoperational child’s failure to understand that an operation can go in two or more directions. Children's thinking is concrete, preoperational children cannot mentally reverse the action and realize the original state
Theory of Mind: the awareness of the broad range of human mental states and the understanding that others have their own distinctive beliefs, desires, and intentions
Conservation: the failure to understand that two things that are equal remain so if their appearance is altered, as long as nothing is added or taken away
Autonomyvs.ShameandDoubt: children at this stage are focused on developing a sense of personal control over physical skills and a sense of independence
Will: if children in this stage are encouraged and supported in their increased independence, they become more confident and secure in their own ability to survive in the world
Relational Aggression: a form of indirect social aggression, consists of damaging or interfering with relationships, reputation, or psychological well-being through teasing, manipulation, ostracism, or bids for control
ContingentSelf-Esteem: The “Helpless” Pattern. Children whose self-esteem is contingent on success tend to become demoralized when they fail. Often these children attribute failure to their deficiencies, which they believe they are unable
to change.
Children with noncontingent self-esteem, in contrast, tend to attribute failure or disappointment
to factors outside themselves or to the need to try harder.