One of the important affective factors for students in mathematics learning is self-efficacy. The students should have high mathematics self-efficacy. So, it can support the success of learning process. The facts that indicated the low of students' mathematics self-efficacy, encouraging the efforts to improve self-efficacy through the improvement…

This research was an experimental research that aimed to know and measure the effectiveness of the application of Problem Based Learning model (PBL) with the assistance of animation media on tetragon material. This research type was quantitative research with one group pretest-posttest design. The population in this study was the students of class…

This study was conducted to determine whether there were significant differences between students' reasoning abilities taught using the PBL model and with the Computer Multimedia Assisted GI, and to determine whether or not there was an influence of interaction between learning models and students' initial abilities on mathematical reasoning…

In this study, the effects of redesigned modeling activities on the academic achievement of 7th grade students and the student's view about these activities were investigated. We use explanatory sequential mixed method design that is one of the mixed research methodology for this investigation. The quantitative part of this research established…