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Tiếng Việt
Issue: Tập 23, Số 4 (2026)
Section: Articles
DOI: 10.54607/hcmue.js.23.4.5073(2026)
Date Published: 29/04/2026
Views 253
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How to Cite
Tran, M. M., Le, T. B. T. T., & Le, C. D. (2026). VELOPING AND VALIDATING A RUBRIC FOR ASSESSING MIDDLE SCHOOL STUDENTS’ PROBLEM SOLVING COMPETENCY IN STATISTICS. Ho Chi Minh City University of Education Journal of Science, 23(4), 906-918. https://doi.org/10.54607/hcmue.js.23.4.5073(2026)

VELOPING AND VALIDATING A RUBRIC FOR ASSESSING MIDDLE SCHOOL STUDENTS’ PROBLEM SOLVING COMPETENCY IN STATISTICS

Tran Minh Man1, , Le Thai Bao Thien Trung2, Le Chan Duc2
1 Bac Lieu High School, Vietnam
2 Ho Chi Minh City University of Education, Vietnam

Main Article Content

Abstract

In the 2018 General Education Mathematics Curriculum, statistics is formally introduced as a new content domain spanning Grades 2 to 12. In the current educational landscape, competency-based assessment has become a central requirement, emphasizing the development of students’ problem-solving competency. This study was conducted to design and validate a rubric for assessing middle school students’ problem-solving competency in learning statistics, consistent with the aims of the 2018 curriculum. The rubric was constructed around four criteria intended to support formative assessment, enhance instructional practices, and foster student achievement. The study employed a mixed-method approach, including a survey of 66 mathematics teachers and a classroom experiment with 34 ninth-grade students. Findings revealed that teachers highly rated the rubric (mean scores ranging from 4.26 to 4.38, SD = 0.79–1.09), while reliability analysis confirmed strong internal consistency (Cronbach’s α = 0.956). The validation process demonstrated that the rubric is feasible for classroom use and aligned with curricular objectives. Overall, the study highlights the rubric’s potential as a tool for competency-based assessment and its contribution to improving the effectiveness of teaching and learning in mathematics.

Keywords

assessment rubric, GAISE II, middle school, problem-solving competency, rubric validation, statistics education

Article Details

References

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