Cynthia Mayang Sari, Achmad Ridwan, Ridwan, Yuliatri Sastrawijaya, Sastrawijaya
This study aims to develop and validate an instrument that measures the learning environment of numeracy. The research was conducted in six junior high schools in Central Kalimantan Province in Indonesia. Analysis was conducted using confirmatory factor analysis (CFA) and Rasch model. The results of the analysis showed that 58 items fit the Rasch model and had item and person reliability of 0.99 and 0.98. The instrument has strong psychometric qualities and a decent factor structure. © 2024, Vytautas Magnus University. All rights reserved.
State University of Jakarta, Departament of Education Research and Evaluation, 11 Rawamangun Muka St., Rawamangun, Pulogadung, East Jakarta, ID-13220, Indonesia; State University of Jakarta, Department of Educational Research and Evaluation, Department of Chemistry Education, 11 Rawamangun Muka Raya St., Rawamangun, Pulogadung, East Jakarta, ID-13220, Indonesia; State University of Jakarta, Department of Educational Research and Evaluation, Department of Informatics and Computer Engineering Education, 11 Rawamangun Muka Raya St., Rawamangun, Pulogadung, East Jakarta, ID-13220, Indonesia
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