Author

B. I. Sappaile

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Open access Jul 2026

Students' Mathematical Representation in PISA Space and Shape Tasks Across Gregorc's Thinking Styles

This qualitative descriptive study investigates high school students' mathematical representation ability in solving PISA Space and Shape problems, analyzed through Gregorc’s thinking style model. Eight tenth-grade students at Islamic High Secondary School DDI Takkalasi (2025/2026 academic year) were purposively select...

Khaerunnisa Khaerunnisa, B. I. Sappaile, Syafruddin Side · ETDC: Indonesian Journal of... · 0 citations

Open access Aug 2026

The Impact of Differentiated Instruction on Students' Critical Thinking Skills in Secondary Science Classrooms: A Quasi-Experimental Study

Critical thinking is a cornerstone of 21st-century science education, yet traditional one-size-fits-all pedagogy often fails to cultivate it among diverse Indonesian secondary learners. This mixed-methods quasi-experimental study examined the impact of differentiated instruction (DI) on students’ critical thinking skil...

Kaso Mustamin, A. Hidayati, Jumriah et al. · International Journal of Edu... · 0 citations