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Child Development, August 1998, Volume 69, Number 4, PagesEnvironmental Input and Cognitive Growth: A Study Using Time-Period Comparisons Janellen Huttenlocher, Susan Levine, and J a c k V e v e a In this stu
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Document Date: 2011-12-05 12:54:04
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Child Development, August 1998, Volume 69, Number 4, PagesEnvironmental Input and Cognitive Growth: A Study Using Time-Period Comparisons Janellen Huttenlocher, Susan Levine, and J a c k V e v e a In this stu