Percentage Correct PVT Responses, by Year, Mathematics Achievement Status and Item Difficulty.
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https://figshare.com/articles/dataset/_Percentage_Correct_PVT_Responses_by_Year_Mathematics_Achievement_Status_and_Item_Difficulty_/1092029
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资源简介：
Percentage Correct PVT Responses, by Year, Mathematics Achievement Status and Item Difficulty.
创建时间：
2014-07-02
