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| | New theory on development could usurp Piagetian beliefs |
 | | With the theory, researchers are attempting to replace Piaget?s theories, which have dominated the field of developmental psychology for the past 50 years, said developmental psychologist Susan Gelman, PhD, of the University of Michigan. |
 | | By 18 months, however, the evidence that their theory might be wrong has built up enough that children begin to systematically explore situations in which their own desires conflict with another person?s. |
 | | And although the theory may or may not replace Piagetian theory as the model for child development, it is very important to the field of developmental psychology, said Gelman. |
| www.apa.org /monitor/jun97/learn.html (809 words) |
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