ORIGINAL_data.sav
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Responses of (5000) examinees, on a test of (50) items, were generated by WINGEN3 software, developed by (Han & Hambleton, 2007), According to the graded model, with responses (1, 2, 3, 4, 5), the ability and difficulty are normally distributed, while discrimination was distributed with a mean of (1.8) and a standard deviation of (0.5).
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figshare创建时间：
2025-02-05
