Vol. 1 No. 2 (2025): STEM Education International

Research Articles

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  Implementation of Problem-Based STAD Learning to Improve Students’ Critical Thinking Skills on Ecosystems

  Alfina Nuril Lailia (Author)

  48-61

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  Comparison of Discovery Learning and Problem-Based Learning Models on Concept Understanding (C1-C4) of Junior High School Students

  Wahyu Sofi Martalinda (Author)

  62-73

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  Development of a Four-Tier Diagnostic Instrument to Identify High School Students' Understanding of Salt Hydrolysis

  Anne Nailul Aziz, Darsono Sigit (Author)

  74-79

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  Development of Four-Tier Diagnostic Instruments to Identify Students’ Understanding of Electrolyte and Non-Electrolyte Solutions

  Septiana Ayuningrum Nofinadya, Rima Nuraini, Isnanik Juni Fitriyah (Author)

  80-86

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  A Four-Tier Diagnostic Instrument in Acid-Base Properties of Salt Solution: Development Procedure

  Rima Nuraini (Author)

  87-94

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