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17 янв 1950 г. - Piaget defined four stages of development in children: the sensorimotor stage, the preoperational stage, the concrete operational stage and the formal operation stage.
Добавлено на ленту времени:
The History Of Clinical Psychology
By
Tayler Strickland
27 фев 2020
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Дата:
17 янв 1950 г.
Сейчас
~ 74 г назад
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