The children with moderate to severe mental retardation maintain a progressively decreasing accuracy in their judgment of the increasingly difficult tasks.

中重度智力落后儿童对难度不同的任务的判断正确率随着实验难度的增加而降低。

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The children with moderate to severe mental retardation maintain a progressively decreasing accuracy in their judgment of the increasingly difficult tasks.

中重度智力落后儿童对难度不同的任务的判断正确率随着实验难度的增加而降低。

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