Abstract
Reliability and validity of Inventory of Piaget’s Developmental Test is revised. 390 subjects from primary school in Beijing are tested. Results show that this inventory’s (IPDT) reliability, validity, difficulty and discriminant ability are acceptable, and it is appropriate to be used to diagnose primary-school children’s level of cognitive development. The inventory’s applicable scope, existing problem and needs of future research are discussed.
| Keywords: | cognitive development; Piaget; inventory |
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