The purpose of this study was: (1) to analyze increasing students' learning activity and learning outcomes. Student activities which were observed include the visual, verbal, listening, writing and mental visual activity; (2) to analyze the improvement of student learning outcomes using "Round Table" and "Rally Coach" Model of…

The purposes of this research were to know the validity, practicality, and effectivity of geometrical learning material based on the constructivism to Increase students' mathematic reasoning ability and increasing students' mathematic reasoning ability by using learning material at the grade VIII of SMP Negeri 3 Padangsidimpuan. Type of the…

International large-scale assessments are now part of the educational landscape in many countries and often feed into major policy decisions. Yet, such assessments also provide data sets for secondary analysis that can address key issues of concern to educators and policymakers alike. Traditionally, such secondary analyses have been based on a…

The purpose of this research was to: 1) development of learning devices based guided discovery model in improving of understanding concept and critical thinking mathematically ability of students at Islamic Junior High School; 2) describe improvement understanding concept and critical thinking mathematically ability of students at MTs by using…

This study is aimed at describing profiles of interpersonal behavior of Indonesian mathematics teachers and examining associations between students' perceptions of their mathematics teachers' interpersonal behavior and their motivation in learning mathematics. Data were collected with the Indonesian version of the Questionnaire on Teacher…

This study investigated firstly the reliability and validity of an Indonesian version of the "Questionnaire on Teacher Interaction" (QTI). Second, perceptions of Indonesian secondary school teachers' interpersonal behaviour as perceived by students and teachers were studied with the QTI. Third, differences between students' and teachers'…