Amelia, Sindi and Widiati, Indah and Yadrika, Gusri (2025) Optimizing Numeracy Assessments: A Detailed Item Analysis for Phase D Students. AKSIOMA: Jurnal Program Studi Pendidikan Matematika, 14 (1). pp. 299-310. ISSN 2089-8703

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Abstract

Compared to literacy skills, the numeracy skills of Indonesian students are more alarming. Therefore, best practices that support the enhancement of students' numeracy skills are urgently needed as an effort to improve the academic performance of Indonesian students. One effective practice is giving numeracy problems routinely to train students in dealing with numeracy-based problems.. Developing high-quality numeracy questions requires a systematic and scientific approach. In previous research, a numeracy instrument for Phase D students was developed and validated through a series of qualitative activities (Self-Evaluation, Expert Review, One-to-One, and Small Group). To further improve the quality of the numeracy questions for Phase D students, this study will continue with quantitative activities, specifically through the Field Test phase. Aim of this study is to analyse the numeracy questions for Phase D students using data analysis techniques with the aid of the Quest program. This study resulted in 21 valid numeracy questions with an ideal difficulty distribution (19% difficult, 62% moderate, and 19% easy), and a high reliability score (0.92). These questions can be used at the middle school level or Phase D as diagnostic, formative, or summative assessments to measure students' numeracy skills.

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