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All Journal Mandalika Mathematics and Educations Journal Jurnal Didactical Mathematics
Ananda Safitri
Universitas Singaperbangsa Karawang
Education Mathematics

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Reconceptualising the Cognition–Achievement Relationship in Secondary Mathematics: Evidence from a Classroom-Based Correlational Study Ananda Safitri; Attin Warmi; Hanifah Hanifah
Jurnal Didactical Mathematics Vol. 8 No. 1 (2026): April 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/dm.v8i1.16979

Abstract

This study aimed to examine the strength and direction of the relationship between mathematical thinking processes and mathematics learning outcomes among ninth-grade junior high school students. The research employed a quantitative nonexperimental correlational design to identify associative patterns between variables without inferring causal relationships. The population consisted of 476 students across twelve classes, and the sample was selected using purposive sampling, resulting in one intact class comprising 36 students. Data on mathematical thinking processes were collected through four constructed-response (essay) items designed to measure reasoning, conceptual linkage, and structured problem-solving abilities. Mathematics learning outcomes were obtained from students’ midterm examination scores as indicators of curriculum-based academic achievement. Data analysis was conducted in several stages, including descriptive statistical analysis and normality testing using the Shapiro–Wilk test. Due to non-normal distribution in one variable, the relationship between variables was analysed using Spearman’s rank correlation coefficient as a non-parametric alternative. The results indicated that students demonstrated relatively adequate levels of mathematical thinking; however, the correlation between mathematical thinking processes and learning outcomes was positive but weak and statistically non-significant (ρ = 0.211, p > 0.05). These findings suggest that mathematical thinking, while conceptually important, may not function as a strong standalone predictor of examination-based academic performance. The study implies that mathematics learning outcomes are influenced by multiple interacting cognitive and contextual factors, highlighting the importance of aligning assessment practices with higher-order thinking competencies to enhance the measurable contribution of mathematical reasoning to student achievement.
Pengaruh Kemampuan Pemecahan Masalah Matematis Terhadap Hasil Belajar Siswa Sekolah Menengah Kejuruan (SMK) Ananda Safitri; Attin Warmi; Hanifah Hanifah
Mandalika Mathematics and Educations Journal Vol 8 No 2 (2026): Edisi Juni
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v8i2.11978

Abstract

This research was conducted due to the low mathematical problem-solving ability on the mathematics learning outcomes of Vocational High School (SMK) students which are not optimal. The purpose of this study is to analyze the influence of mathematical problem-solving ability on student learning outcomes. The approach in this study uses quantitative with a population of all grade XI students of SMKS Bina Karya 2 Karawang, totaling 103 students, and 26 students as a sample determined through a purposive sampling technique. Essay tests to measure mathematical problem-solving ability and Mid-Semester Test (UTS) scores are the instruments used as indicators of learning outcomes. Data were analyzed through normality tests, linearity tests, and simple linear regression analysis. The study shows that mathematical problem-solving ability has a positive and significant influence on student learning outcomes, with a significance value of 0.000 (<0.05) and a regression equation of Y = 5.342 + 0.596X. The amount of contribution given reaches 45%, which indicates that this ability is one of the important factors in improving learning outcomes, although there are still other factors that play a role.
Co-Authors Attin Warmi Hanifah Hanifah