Coherence of Topics from Middle-School Integrated Science Textbooks from Taiwan and Korea Dongsheng WanYew-Jin Lee OriginalPaper 21 July 2021 Pages: 881 - 899
Analysis of Student Responses to Constructed Response Items in the Science Assessment of Educational Achievement in South Korea Hyun-Kyung KimHaesun A. Kim OriginalPaper 16 July 2021 Pages: 901 - 919
Influence of the Argument-Driven Inquiry with Explicit-Reflective Nature of Scientific Inquiry Intervention on Pre-service Science Teachers’ Understandings About the Nature of Scientific Inquiry Duygu Metin Peten OriginalPaper 12 July 2021 Pages: 921 - 941
The Interrelationship Among High School Students’ Conceptions of Learning Science, Self-Regulated Learning Science, and Science Learning Self-Efficacy Hsin Ning Jessie HoJyh-Chong LiangChin-Chung Tsai OriginalPaper 03 August 2021 Pages: 943 - 962
Reality or Mirage: Enhancing 21st-Century Skills Through Problem-Based Learning While Teaching Particulate Nature of Matter Motlhale Judicial SebatanaWashington Takawira Dudu OriginalPaper 04 August 2021 Pages: 963 - 980
Missing and Mis-in Concept Images of Parallelograms: the Case of Tal Dina TiroshPessia Tsamir OriginalPaper 11 April 2021 Pages: 981 - 997
The Role of Languages in the Process of Objectification in Pattern Generalization in a Multilingual Mathematics Classroom Rabih El Mouhayar OriginalPaper 15 April 2021 Pages: 999 - 1020
Teachers’ Knowledge of Fraction Magnitude Yasemin Copur-Gencturk OriginalPaper 29 April 2021 Pages: 1021 - 1036
The Use of Representations when Solving Algebra Word Problems and the Sources of Solution Errors Carlos Soneira OriginalPaper 04 May 2021 Pages: 1037 - 1056
Making Sense of Algorithms in Discrete Mathematics Timothy H. Lehmann OriginalPaper 13 May 2021 Pages: 1057 - 1077