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首页> 外文期刊>Developmental psychology >Development of Object Control in the First Year: Emerging Category Discrimination and Generalization in Infants' Adaptive Selection of Action
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Development of Object Control in the First Year: Emerging Category Discrimination and Generalization in Infants' Adaptive Selection of Action

机译：第一年对象控制的发展：婴儿适应性行动选择中的新兴类别歧视和泛化

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This research examined the development of adaptive generalization in infants' object-directed actions. Infants ages 9 and 12 months participated in an object manipulation task with stimulus objects from 2 categories that differed in shape and weight and that bore a consistent shape or weight correspondence. Weight differences between categories affected infants' actions required to handle objects effectively. Infants manually explored objects from both categories and then were tested for their selection of different actions between categories and their generalization to novel exemplars within categories. Nine-month-olds provided no evidence of category differentiation and generalization; however, 12-month-olds adapted their actions selectively for objects of each category and generalized those actions to novel objects within categories. A second sample of 9-month-olds who were examined in a simplified task with just one object per weight level successfully adapted their actions by weight. Together, the findings provide evidence for the development of selection and generalization in manipulative action across the second half of the first year of life.
机译：这项研究检查了婴儿对目标行为的适应性概括的发展。 9岁和12个月大的婴儿参加了对象操纵任务，任务对象来自形状和体重不同且形状或体重对应一致的2类刺激对象。不同类别之间的体重差异影响了婴儿有效处理物体所需的动作。婴儿从两个类别中手动探索对象，然后对其在类别之间的不同动作的选择以及它们在类别中的新样本的归纳进行测试。九个月大的婴儿没有提供类别区分和概括的证据;但是，12个月大的孩子有选择地针对每种类别的对象调整了自己的行为，并将这些行为概括为类别中的新颖对象。第二个9个月大的婴儿在一项简化的任务中接受检查，每个体重水平只有一个物体，因此成功地根据体重调整了自己的动作。总之，这些发现为在生命的第一年下半年期间进行操纵选择和泛化发展提供了证据。

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