The Enhancement of Mathematical Reasoning Ability of Junior High School Students by Applying Mind Mapping Strategy

Abstract

Mathematical reasoning ability,  are component that must be governable by the student. Mathematical reasoning plays an important role, both in solving problems and in conveying ideas when learning  mathematics. In fact there ability are not still developed well, even in middle school. The importance of mathematical reasoning ability (KPM are parallel in improving student skill to mastery those three abilities. Therefore it is necessary to apply  learning strategy that is expected to improve the KPM, in mathematics teaching. This research applied mind mapping strategy (SMM) as an alternative  to improve all three.  This  aims to find out contribution level in SMM application to ward the enhancement of mathematical reasoning ability, at school rank (low , high and medium), KAM (high, medium and low). The research is a quasi-experimental research by using  Pretest and Posttest Control Group Design. The sample in this research is 130  students in eight of two School in  Ambon. Each school represents  high school rank and medium school rank. The hypothesis was tested at 5% significance level. The data were analysed by applying the Kolmogorov-Smirnov (KS), Levene test, t-test, t’-test , Mann-Whitney U test, and ANOVA two lines. The result shows that:(1) there is a difference achievement, the enhancement of  KPM, in experiment class and  control class; (2) there is an interaction between learning and school rank in enhancing the ability of mathematical reasoning; (3) there is no interaction between learning and KAM in increasing reasoning ability.

Keywords: mathematical reasoning ability, mind mapping strategy.