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An Effect Size Measure for Raju's Differential Functioning for Items and Tests

机译:Raju物品和测试的微分功能的效应量度

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摘要

This study established an effect size measure for differential functioning for items and tests' noncompensatory differential item functioning (NCDIF). The Mantel-Haenszel parameter served as the benchmark for developing NCDIF's effect size measure for reporting moderate and large differential item functioning in test items. The effect size of NCDIF is influenced by the model, the discrimination parameter, and the difficulty parameter. Therefore, tables of NCDIF's effect size were presented at given levels of a, b, and c parameters. In addition, a general effect size recommendation for moderate and large NCDIF is also established.
机译:这项研究建立了一项影响项目差异功能的效应量度,并测试了非补偿性项目差异功能(NCDIF)。 Mantel-Haenszel参数用作开发NCDIF效果大小量度的基准,用于报告测试项目中的中度和大型差异项功能。 NCDIF的效果大小受模型,判别参数和难度参数的影响。因此,在给定的a,b和c参数水平下,列出了NCDIF的影响大小表。此外,还建立了针对中型和大型NCDIF的一般效应量建议。

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