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Ipek Saralar-Aras; Abdullah Kurudirek – Mathematics Teaching Research Journal, 2025
This study offers a comprehensive investigation of 14-15-year-old students' comprehension of non-Euclidean geometries, with a specific focus on the assessment of their understanding through a 15-itemed test. The primary objective of this research is to assess the current state of students' knowledge and proficiency in non-Euclidean geometries and…
Descriptors: Mathematics Instruction, Middle School Students, Geometry, Concept Formation
O'Brien, Peter; Richardson, Arthur – 1987
This report: (1) describes the mathematics test given to Year 8 students in the Mt. Druitt Longitudinal Study in 1986; (2) describes and discusses the results; (3) analyzes errors made by the students; and (4) suggests some possible interventions to address the errors made by students. The study dates from 1975 when funds were obtained to provide…
Descriptors: Disadvantaged Youth, Educational Research, Elementary School Mathematics, Elementary Secondary Education
O'Brien, Peter; Richardson, Arthur – 1987
This report: (1) describes the mathematics test given to Year 9 students in the Mt. Druitt Longitudinal Study in 1987; (2) describes and discusses the results; (3) analyzes errors made by students; (4) analyzes the responses to items common to the 1986 and 1987 tests; and (5) suggests some interventions to address the errors made by students. The…
Descriptors: Disadvantaged Youth, Educational Research, Elementary School Mathematics, Elementary Secondary Education