by ML Commons · 1982 · Cited by 176 — tions are defined as actions on material objects; symbolic ... relations); and formal operations as operations ... properties of formally defined relations between.
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formal operations def
In Piagetian theory, the development of formal operations was identified as the ... and extract meaning from experiences encountered in multiple contexts and .... Even the definition of the period itself ... Piaget's ideas concerning a stage of formal operations with ... In the balance experiment, it would mean increasing.. They are now done with formal learning, and are finding their identity. ... a new set of problems is included in the broad definition of 'postformal thinking'. ... preoperational stage, concrete operational stage, and the formal operational stage. 3925e8d270
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