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All Journal SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan COMPTON: Jurnal Ilmiah Pendidikan Fisika Chemistry Education Practice Jurnal Ilmiah Profesi Pendidikan Natural Science: Jurnal Penelitian Bidang IPA dan Pendidikan IPA Jurnal Pendidikan dan Pengabdian Masyarakat Saqbe : Jurnal Sains dan Pembelajarannya Sekolah Dasar: Kajian Teori dan Praktik Pendidikan Mathematics Education and Application Journal (META)
Hilman Qudratuddarsi
Universitas Sulawesi Barat
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Validation of Instrument to Measure Pre-Service Science Teachers Digital Skills: Rasch Model Indra Maulana; Evi Syarah; Elsima Nainggolan; Hilman Qudratuddarsi
Jurnal Ilmiah Profesi Pendidikan Vol. 11 No. 2 (2026): Mei
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v11i2.4794

Abstract

This study aimed to validate an instrument for measuring digital skills among pre-service science teachers using the Rasch model framework. A total of 349 Generation Z participants were surveyed from three year levels. Data were collected through Google Forms and analyzed using Winsteps 3.7.3. The Rasch model provided insights into item reliability, person reliability, separation indices, unidimensionality, item fit statistics, and differential item functioning (DIF). Results demonstrated strong psychometric robustness, with person reliability of 0.95, item reliability of 0.98, and Cronbach’s alpha of 0.97. Wright Map analysis indicated appropriate alignment between item difficulty and respondents’ abilities. Item fit statistics fell within the acceptable range, supporting internal validity. Unidimensionality analysis confirmed that the instrument measured a single construct, while DIF analysis showed no significant bias across gender or year of study. Overall, the instrument proved reliable, valid, and equitable in assessing digital skills among science pre-service teachers, offering a valuable tool for teacher education and digital competence assessment.
Co-Authors Aco Hebriawan Ammar Ahadi Putra Asmirinda Resa Eli Meivawati Eli Meivawati Elsima Nainggolan Evi Syarah Hazlynda Bt Atta Husnul Khatimah Indra Maulana Jumriani Jumriani JUMRIANI JUMRIANI Kasmiati Muallim Muallim Nor Indri Yanti Nor Indriyanti Nur Intan Nur Rahmah Rahmah D Mappata Rahmah D. Mappata Rina Sugiarti DwiGita Risman Saputra Saraswathy A/p Ramasundrum Suci Rizkina Tari Syarifa Wahidah Al Idrus Umar, Umar Wahyuni Adam Wulan Syari Zuhra Meiliza