Vol. 15 No. 1 (2026)

Research Articles

• Research Trends of Gamification in Science Learning Over the Decade and the Impact in Physics

  Isnaini Agus Setiono, Lasiani (Author)

  1-15

  Article ID 43570

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  DOI: https://doi.org/10.15294/upej.v15i1.43570

• The Use of Problem Posing Type Post Solution Posing Model in The Development of Learning Materials to Improve Students' Problem Solving Skills

  Fathiah Alatas, Dhika Damayanthi , Ahmad Suryadi (Author)

  Article ID 42547

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  DOI: https://doi.org/10.15294/upej.v15i1.42547

• Development of a Testlet Based Two-Tier Diagnostic Test for Identifying Students’ Problem Solving Difficulties in Newton’s Laws

  Salwa Atiqah Huriyah, Haratua Tiur Maria Silitonga, Naim Sulaiman (Author)

  28-33

  Article ID 53515

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  DOI: https://doi.org/10.15294/upej.v15i1.53515

• Psychometric Evaluation of a Critical Thinking Skills Instrument on Renewable Energy Using the Rasch Model

  Rapi Alwi Azhar (Author)

  Article ID 53882

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  DOI: https://doi.org/10.15294/upej.v15i2.53882

• Development of a Mechanical Wave Creative Thinking SkillsAssessment Instrument Based on Student Learning Styles

  RISMA NADYA KAMALIL HILWA, Dr. Bambang Subali, M.Pd. (Author)

  Article ID 29578

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  DOI: https://doi.org/10.15294/upej.v15i1.29578