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ERIC Number: EJ1406885
Record Type: Journal
Publication Date: 2024
Pages: 28
Abstractor: As Provided
EISSN: EISSN-2229-0443
The Analysis of Marking Reliability through the Approach of Gauge Repeatability and Reproducibility (GR&R) Study: A Case of English-Speaking Test
Pornphan Sureeyatanapas; Panitas Sureeyatanapas; Uthumporn Panitanarak; Jittima Kraisriwattana; Patchanan Sarootyanapat; Daniel O'Connell
Language Testing in Asia, v14 Article 1 2024
Ensuring consistent and reliable scoring is paramount in education, especially in performance-based assessments. This study delves into the critical issue of marking consistency, focusing on speaking proficiency tests in English language learning, which often face greater reliability challenges. While existing literature has explored various methods for assessing marking reliability, this study is the first of its kind to introduce an alternative statistical tool, namely the gauge repeatability and reproducibility (GR&R) approach, to the educational context. The study encompasses both intra- and inter-rater reliabilities, with additional validation using the intraclass correlation coefficient (ICC). Using a case study approach involving three examiners evaluating 30 recordings of a speaking proficiency test, the GR&R method demonstrates its effectiveness in detecting reliability issues over the ICC approach. Furthermore, this research identifies key factors influencing scoring inconsistencies, including group performance estimation, work presentation order, rubric complexity and clarity, the student's chosen topic, accent familiarity, and recording quality. Importantly, it not only pinpoints these root causes but also suggests practical solutions, thereby enhancing the precision of the measurement system. The GR&R method can offer significant contributions to stakeholders in language proficiency assessment, including educational institutions, test developers and policymakers. It is also applicable to other cases of performance-based assessments. By addressing reliability issues, this study provides insights to enhance the fairness and accuracy of subjective judgements, ultimately benefiting overall performance comparisons and decision making.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Thailand
Grant or Contract Numbers: N/A