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All Journal Impulse: Journal of Research and Innovation in Physics Education Jipmas : Journal Inovasi Pengabdian Masyarakat
Sekeon, Cristi Ascika
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Humanities Education Physics Social Sciences Other

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Pelatihan Analisis Instrumen Menggunakan Quest untuk Meningkatkan Kompetensi Guru dalam Evaluasi Pembelajaran Tumanggor, Awal Mulia Rejeki; Ahmad, Liza Septia; Sekeon, Cristi Ascika; Silaban, Yohansen Frando Hadinata; Pujianti, Isna; Tarigan, Yustinus
Jurnal Inovasi Pengabdian Masyarakat Vol 3 No 1 (2026): JIPMAS : Jurnal Inovasi Pengabdian Masyarakat
Publisher : PT. Karya Inovatif Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65255/jipmas.v3i1.299

Abstract

This community service activity aimed to improve teachers' competency in analyzing learning evaluation instruments through training on Quest software based on the Rasch Model. The participants were 25 high school teachers in Tondano, conducted online via Zoom over two days using a participatory training approach. The method included preparation, execution (conceptual reinforcement, demonstration, hands-on practice, and reflective discussion), and evaluation stages. Data were collected through pretests-posttests, questionnaires, and observations, then analyzed descriptively. Results showed a significant increase in competency, with the average pretest score of 46.80 increasing to 81.20 on the posttest (a 73.50% increase). The N-Gain value of 0.65 falls into the medium category, indicating meaningful training effectiveness. A total of 92% of participants showed substantial improvement and were able to operate Quest and interpret outputs such as item difficulty (logit), item fit statistics (INFIT/OUTFIT MNSQ), and reliability. Participant responses were very positive, with 88% stating the material was relevant and 84% committing to apply the training results in their schools. This activity contributes to strengthening teachers' pedagogical competence in evidence-based learning evaluation.
Rasch Model Analysis of Senior High School Physics Test Items in an Academic Competition in North Sulawesi Tumanggor, Awal Mulia Rejeki; Mahulae, Parno Sumanro; Sekeon, Cristi Ascika; Silaban, Yohansen Frando Hadinata; Ahmad, Liza Septia; Pujianti, Isna
Impulse: Journal of Research and Innovation in Physics Education Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Impulse: Journal of Research and Innovation in Physics Edu
Publisher : Pendidikan Fisika FITK UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/impulse.2026.61-03

Abstract

Evaluating the quality of test items is crucial for accurately assessing student competence in academic competitions such as physics olympiads. This study aims to analyze the quality of physics olympiad test items used in the Temu Fisika 2024 competition for senior high school students across North Sulawesi. A total of 40 multiple-choice items from the preliminary round of the Temu Fisika 2024 physics olympiad were analyzed. The responses of 35 high school students who participated in the competition were examined using the Rasch model through the QUEST program. The analysis covered item fit, reliability (item and person), difficulty level, and distractor effectiveness as complementary CTT analysis. The results showed that 33 items (82.5%) fit the Rasch model, while seven items showed misfit. The Rasch reliability indices were good (Item Reliability = 0.82, Person Reliability = 0.84). The difficulty levels were appropriately distributed, with 50% of items categorized as moderate, 22.5% easy, 20% difficult, 2.5% very easy, and 5% very difficult. However, distractor analysis revealed a significant shortcoming: only 15% of items had all distractors functioning effectively. This study is the first Rasch analysis of the Temu Fisika olympiad, providing empirical evidence that while the test is generally reliable, specific improvements are needed. The findings highlight the importance of revising misfitting items and non-functional distractors to improve the discriminating power of the test, particularly among high-ability participants. This study also provides a practical reference for improving item development and validation processes in academic competitions.
Co-Authors Ahmad, Liza Septia Awal Mulia Rejeki Tumanggor Mahulae, Parno Sumanro Pujianti, Isna Silaban, Yohansen Frando Hadinata Tarigan, Yustinus