Examlex
Which of the following is not a valid rating for an industrial truck?
Preoperational
The stage in Piaget's theory of cognitive development where children from about 2 to 7 years of age begin to engage in symbolic play and struggle with logic and the perspective of others.
Reversibility
The ability to recognize that numbers or objects can be changed or returned to their original state.
Preoperational Intelligence
Piaget’s term for cognitive development between the ages of about 2 and 6; it includes language and imagination (which involve symbolic thought), but logical, operational thinking is not yet possible at this stage.
Symbols
Marks, signs, or objects that represent ideas, concepts, or other abstractions.
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