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Analisis Butir Soal Pilihan Ganda dengan Pendekatan Classical Test Theory pada Ujian Akhir Semester Mata Pelajaran Matematika Rahim, Abdul; Olga Siba Sabon , Yuliana; Nurhayati; Ayu Priyudahari, Bhujangga; Fachrul Islam, Rukmana; Amri, Haerul
Indo-MathEdu Intellectuals Journal Vol. 6 No. 4 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i4.3357

Abstract

The purpose of this research is to analyze question items with a classical test theory approach. The type of research is descriptive quantitative. The object of this research is multiple choice items used in the end of semester examination of mathematics subjects in junior high school. The research subjects were students who took the test. The number of respondents was 50 people. The research instrument was 30 multiple choice questions. The data were analyzed using the Classical Test Theory approach with the help of RStudio analysis software. The results of the analysis of the level of difficulty of 30 items, it is known that as many as 28 items (93.33) are difficult categories. There are 2 items (6.67%) in the medium category. There is no single question that is classified as easy. Differentiability as many as 7 items (23.3%) in the category of acceptable with improvement. A total of 12 items (40%) in the corrected category. Meanwhile, 11 items (36.7%) were in the discarded category. All options A to E on each item have been selected, so the distractor function works well. The reliability of each item is in the range between 0.70 to 0.71 in the high reliability category. Overall, the reliability of the test instrument is 0.713, which is also in the high category.
Augmented Reality Based Learning Media on Geometry Learning Integrated Science Technology Engineering Art Mathematic-Project Based Learning Dyah, Dyah Susilowati; Syafitri Chani Saputri, Dian; Ratu Perwira Negara, Habib; Rahim, Abdul; Marlina, Marlina; Rizki Aprilian, Faida
Journal of Education Technology Vol. 9 No. 1 (2025): February
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jet.v9i1.88630

Abstract

Geometry learning, especially on the concept of building space, still faces challenges in delivering abstract material, so students have difficulty in understanding concepts visually and spatially. This study aims to develop learning media for building mathematical geometry on Augmaented Reality (AR) in integrated learning science, technology, engineering, art, mathematic project-based learning and determine the effectiveness in improving student learning outcomes. The research method uses Multimedia Development Life Cycle. The sampling technique used purposive sampling and the test subjects were elementary school students. Data collection instruments used validation sheets and questionnaires. The analysis technique used quantitative descriptive statistical analysis techniques and percentages. The results of Augmaented Reality learning media expert validation are in the very feasible category. Field trials of Augmaented Reality learning media produced were in the very interesting category. The effectiveness test with an N-Gain score of 0.81 shows that Augmaented Reality learning media can improve learning outcomes from before and after using integrated Augmaented Reality learning media-project based learning. The novelty of this research lies in the integration of AR with the STEAM-PjBL learning model in the context of geometry learning, which provides an interactive experience and improves students' understanding of spatial concepts. The broader implications of this research include the potential application of AR in various subjects to improve student engagement and learning outcomes in the digital era.