Piaget's stage IV object concept error: evidence of forgetting or object conception?
Piaget's stage IV object concept error: evidence of forgetting or object conception?
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皮亚杰第四阶段客体概念错误：遗忘的证据还是客体概念？
作者：
G. Gratch;K. Appel;W. F. Evans;G. Lecompte;N. A. Wright
作者声明：John W.威尔逊·埃文斯勒孔特;作者：Wright，NANCY A.皮亚杰的第四阶段客体概念错误：遗忘还是客体概念的证据？《儿童发展》，1974年，第45页，第71-77页。皮亚杰将第四阶段的错误解释为未能吸收新的隐藏地点，而不是忘记了它，他的假设预测错误的可能性不应随延迟间隔的长度而变化。9个月大的婴儿在有机会搜索之前延迟0、1、3或7秒。婴儿在所有条件下，除了0秒，都可能出错。虽然皮亚杰的假设没有得到0秒条件结果的支持，但随后的数据分析为皮亚杰的假设提供了一些支持。
GRATCH, GERALD; APPEL, KENNETH J.; EVANS, WILSON F.; LECOMPTE, GUiNEY K.; and WRIGHT, NANCY A. Piaget's Stage IV Object Concept Error: Evidence of Forgetting or Object Conception? CHILD DEVELOPMENT, 1974, 45, 71-77. Piaget explains the Stage IV error as a failure to assimilate the new place of hiding rather than a forgetting of it. His hypothesis predicts that the likelihood of error should not vary with the length of the delay interval. 9month-old infants were delayed 0, 1, 3, or 7 sec before having the opportunity to search. Infants in all conditions, save 0 sec, were likely to err. While Piaget's hypothesis was not supported by the results of the 0-sec condition, subsequent analyses of the data provided some support for Piaget's hypothesis.