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Modified Multiple-Choice Items for Alternate Assessments: Reliability, Difficulty, and Differential Boost

机译:用于替代评估的修改后的多项选择项目:可靠性,难度和差异性提升

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Federal policy on alternate assessment based on modified academic achievement standards (AA-MAS) inspired this research. Specifically, an experimental study was conducted to determine whether tests composed of modified items would have the same level of reliability as tests composed of original items, and whether these modified items helped reduce the performance gap between AA-MAS eligible and ineligible students. Three groups of eighth-grade students (N = 755) defined by eligibility and disability status took original and modified versions of reading and mathematics tests. In a third condition, the students were provided limited reading support along with the modified items. Changes in reliability across groups and conditions for both the reading and mathematics tests were determined to be minimal. Mean item difficulties within the Rasch model were shown to decrease more for students who would be eligible for the AA-MAS than for non-eligible groups, revealing evidence of differential boost. Exploratory analyses indicated that shortening the question stem may be a highly effective modification, and that adding graphics to reading items may be a poor modification.View full textDownload full textRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/08957347.2011.580620
机译:基于修改后的学业成就标准(AA-MAS)的联邦替代评估政策激发了这项研究。具体而言,进行了一项实验研究,以确定由修改后的项目组成的测试是否具有与原始项目组成的测试相同的可靠性水平,以及这些修改后的项目是否有助于缩小AA-MAS合格和不合格学生之间的成绩差距。由合格和残障状态定义的三组八年级学生(N = 755)接受了阅读和数学测试的原始版本和修改版本。第三,向学生提供有限的阅读支持以及修改后的项目。阅读和数学测试的组和条件之间的可靠性变化被确定为最小。研究表明,在有资格参加AA-MAS的学生中,Rasch模型中的平均项目难度降低的幅度要比不符合条件的群体降低的幅度更大,这显示出差异提升的证据。探索性分析表明,缩短问题词干可能是一个非常有效的修改,并且在阅读项目中添加图形可能是一个较差的修改。查看全文下载全文,netvibes,twitter,technorati,可口,linkedin,facebook,stumbleupon,digg,google,更多”,发布:“ ra-4dff56cd6bb1830b”};添加到候选列表链接永久链接http://dx.doi.org/10.1080/08957347.2011.580620

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