Unveiling fairness in scoring: a thorough method for precise cutoff score calculation in education assessment

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Alireza Akbari, Mohsen Shahrokhi
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Abstract

Purpose The purpose of this research is to address the need for a robust system to accurately determine a cutoff score by using the Angoff method and leveraging the Rasch infit and outfit statistics of item response theory by detecting and removing misfitting items in a test. Design/methodology/approach Researchers in educational evaluation support the use of grades as a complete measure to evaluate students’ overall academic performance. In higher education, determining cutoff scores is crucial for assessing academic progress and achievement. Higher education institutions worldwide set predefined minimal standards of success, sometimes referred to as cutoff thresholds. These thresholds serve as benchmarks for assessing performance quality and determining eligibility for academic credit or advancement. Findings The proposed approach combines the Angoff method with Rasch item fit statistics to precisely determine the cutoff score by excluding items that do not fit well (misfitting items) in a test. This methodology holds the potential to enhance the fairness and accuracy of grading practices, ensuring that assessments align with educational objectives and provide meaningful feedback to students. Originality/value The value of this research extends to various fields where cutoff scores are used for decision-making purposes. By using Rasch item fit statistics and the Angoff method, practitioners and researchers can enhance the quality and validity of their assessments.
揭开评分公平的面纱:教育评估中精确计算临界分数的彻底方法
设计/方法/途径:教育评价研究人员支持使用成绩作为评价学生整体学业成绩的完整指标。在高等教育中,确定分数下限对于评估学业进步和成绩至关重要。世界各地的高等教育机构都预先设定了成功的最低标准,有时也称为临界值。研究结果所提出的方法将安戈夫方法与 Rasch 项目拟合统计相结合,通过排除测试中拟合不佳的项目(拟合错误的项目)来精确确定截止分数。该方法有望提高评分实践的公平性和准确性,确保评估与教育目标相一致,并为学生提供有意义的反馈。通过使用 Rasch 项目拟合统计和 Angoff 方法,从业人员和研究人员可以提高评估的质量和有效性。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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