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Junpeng, Putcharee; Marwiang, Metta; Chiajunthuk, Samruan; Suwannatrai, Prapawadee; Chanayota, Kanokporn; Pongboriboon, Kissadapan; Tang, Keow Ngang; Wilson, Mark – International Journal of Evaluation and Research in Education, 2020
This study was aimed to validate a digital tool for diagnosing mathematical proficiency in the Number and Algebra strand of 1,504 Thai seventh-grade students. Researchers employed a multidimensional approach, an extension of the Rasch model to measure its quality. A design-based research method was adopted to create the diagnostic tool which…
Descriptors: Foreign Countries, Grade 7, Mathematics Skills, Test Validity
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Thinwiangthong, Sampan; Eddy, Colleen M.; Inprasitha, Maitree – Malaysian Journal of Learning and Instruction, 2020
Purpose: The main purpose of this study was to examine mathematics teachers' abilities in developing formative assessments when teaching algebraic reasoning after utilizing two innovations: lesson study and open approach. Methodology: A single group quasi-experimental research design was employed in two mathematics classes in a school in…
Descriptors: Mathematics Teachers, Formative Evaluation, Foreign Countries, Secondary School Teachers