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Inam, Bahattin; Ugurel, Isikhan; Yaman, Burçak Boz – International Journal of Assessment Tools in Education, 2018
This study is a part of a large scale project in which an action research design is used to teach proof to 11th grade students. This part of the project aims to identify students' comprehension level through five proof comprehension tests developed by the researchers based on the National Geometry Curriculum. Data were analyzed by considering the…
Descriptors: High School Students, Grade 11, Mathematical Concepts, Validity