Examlex
A time constraint defines:
Artificialism
A belief, typically held by children, that environmental features were made by people.
Preoperational Children
Describes children in Piaget's stage of cognitive development, typically aged 2-7, characterized by symbolic thinking and difficulty understanding other perspectives.
Three-mountain Test
A cognitive development test designed by Jean Piaget to assess a child's ability to understand perspectives different from their own.
Reversibility
According to Piaget, recognition that processes can be undone, leaving things as they were before. Reversibility is a factor in conservation of the properties of substances.
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