Vol. 11 No. 12 (2025): December
Open Access
Peer Reviewed

The Development of the ‘Mahaga’ Digital Authentic Assessment Instrument Based on the Project-Based STEM Approach to Enhance Elementary School Students’ Scientific Literacy

Authors

Rita Rahmaniati , Bulkani , Amelia Dwi Astuti , Citra Amalia

DOI:

10.29303/jppipa.v11i12.13551

Published:

2025-12-25

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Abstract

This research developed a digital authentic assessment instrument based on a project-based STEM approach to enhance scientific literacy among elementary school students. This study aimed to create an instrument that is valid, practical, and effective. The research employed a Research and Development (R&D) approach, utilizing the ADDIE model. Data were collected through observation, interviews, and tests. The product’s practicality was assessed by media, evaluation, and material experts using closed questionnaires. Its effectiveness was measured via a pretest–posttest design conducted with small and large groups of students. A t-test and N-Gain analysis were used to evaluate the improvement of learning outcomes. The validation results were strong, with scores of 97% from the content expert, 94.5% from the assessment expert, and 95.5% from the media expert, indicating that the instrument was very valid. The practicality test also yielded a very practical score of 93% from student and teacher responses. For the effectiveness test, average scores increased from a pre-test of 58.2 to a post-test of 83.2, resulting in a medium N-Gain score of 0.59. This finding indicates that the use of the ‘MAHAGA’ digital authentic assessment is highly effective. These findings affirm ‘MAHAGA’ as a valid, practical, and effective instrument, offering a significant contribution to promoting scientific literacy in elementary education. This instrument offers a promising, innovative solution to advance science education at the elementary level, equip students with essential 21st-century skills, and support the development of a more adaptive, critical, and innovative generation.

Keywords:

Scientific Literacy Digital Authentic Assessment Project-Based STEM Elementary School Students

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Author Biographies

Rita Rahmaniati, Universitas Muhmmadiyah Palangkaraya

Author Origin : Indonesia

Bulkani, Universitas Muhammadiyah Palangkaraya

Author Origin : Indonesia

Amelia Dwi Astuti, Universitas Muhammadiyah Palangkaraya

Author Origin : Indonesia

Citra Amalia, Universitas Muhammadiyah Palangkaraya

Author Origin : Indonesia

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How to Cite

Rahmaniati, R., Bulkani, Astuti, A. D., & Amalia, C. (2025). The Development of the ‘Mahaga’ Digital Authentic Assessment Instrument Based on the Project-Based STEM Approach to Enhance Elementary School Students’ Scientific Literacy. Jurnal Penelitian Pendidikan IPA, 11(12), 1059–1070. https://doi.org/10.29303/jppipa.v11i12.13551