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All Journal Jurnal Elemen Edumatica: Jurnal Pendidikan Matematika
Refiyanti, Nur Alifa Deviar
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Mathematics Other

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How math happens at home: A Rasch-based validation of the home mathematics environment scale in early childhood Nugraha, Adi Cahya; Rachmadani, Ira; Mardiana; Refiyanti, Nur Alifa Deviar; Soebagyo, Joko
Jurnal Elemen Vol 11 No 3 (2025): July
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v11i3.30220

Abstract

Preschool education is important for developing children’s social and cognitive skills, with early mathematical ability being a strong predictor of future success. This study evaluated the psychometric properties of the Preschool Home Mathematics Questionnaire (PHMQ) using Rasch Model Analysis. A total of 95 parents and guardians of preschool-aged children participated in the study. A total of 37 Likert-scale items were analysed. The results showed excellent person reliability (0.93) and item reliability (0.96), indicating strong consistency and well-targeted item difficulty. Of the 37 items, 32 were valid according to the Rasch fit criteria, while five items (Q13, Q15, Q22, Q24, and Q26) showed misfit based on the Outfit mean square (MNSQ), Z-standard (ZSTD), and PTMEA-CORR. The Likert scale functioned well with ordered thresholds and smooth transitions between categories. The unidimensionality test confirmed that the PHMQ measures a single construct, with 44.1% of the variance explained and only 12.8% unexplained in the first contrast. While the PHMQ shows good validity and reliability, this study focused only on basic Rasch validation. Future research should explore differential item functioning (DIF), item bias, and long-term stability to further improve this instrument and support its use in different settings.
Pembelajaran New Normal: Perbedaan Kemampuan Berpikir Kreatif Berdasarkan Tingkatan Self-Regulated Learning Peserta Didik SMA Refiyanti, Nur Alifa Deviar; Miatun, Asih
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (883.023 KB) | DOI: 10.22437/edumatica.v12i02.18908

Abstract

The focus of this research was to determine whether there were variations in the mathematics creative thinking abilities of students in class XI MIPA based on their level of self-regulated learning. A quantitative technique used in this research. This is an ex post facto research. This research included 159 students from MIPA class XI who completed a self-regulated learning questionnaire. The sample in this study was collected using the stratified random sampling approach, which was chosen based on high, moderate, and low levels of self-regulated learning. The sample for each level of self-regulated learning was determined using the sample-to-variable-ratio guidelines, which yielded up to 29 samples with a total of 87 students for each level. Data collection methods include self-regulated learning questionnaire and assessments of creative thinking abilities. The data analysis technique started with precondition tests, such as the normality test with the Kolmogorov-smirnov test and homogeneity test with the Barlett test, and then moved on to hypothesis testing with one-way ANOVA at a significance level of 5%, continued with post-ANOVA testing with the Scheffe test. Students with high self-regulated learning had higher creative thinking skills than students with moderate and low self-regulated learning, whereas students with moderate self-regulated learning had higher mathematical creative thinking skills than students with low self-regulated learning, according to the findings.
Co-Authors Asih Miatun Joko Soebagyo, Joko MARDIANA Nugraha, Adi Cahya Rachmadani, Ira