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Download full textCarolina Henríquez-Rivas; Andrea Vergara-Gómez – European Journal of Science and Mathematics Education, 2025
Although research highlights the importance of analyzing the geometric work of teachers, there are few validated instruments in this line. This study presents the processes of design and validation of a forced-choice questionnaire that allows the characterization, from a theoretical basis, of how geometry teachers organize their teaching practice.…
Descriptors: Geometry, Geometric Concepts, Teaching Methods, Mathematics Instruction
Direct linkSergio Gatica-Ferrero; Daniela Durán-Irribarra – Electronic Journal of Research in Educational Psychology, 2024
Introduction: This study seeks to psychometrically evaluate the inattention and hyperactivity/impulsivity subscales of the Vanderbilt ADHD Teacher Rating Scale (VADTRS) for the diagnosis of Attention Deficit Hyperactivity Disorder (ADHD) in children and adolescents in Chile. Method: The sample included 353 students from the 2nd grade of primary…
Descriptors: Foreign Countries, Attention Deficit Hyperactivity Disorder, Psychometrics, Attention
