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The Implementation of CORE Model to Improve Students' Mathematical Problem Solving Ability in Secondary School

机译：核心模型的实施，提高中学学生数学问题解决能力

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This research was conducted because the students' mathematical problem solving ability in secondary school is low. The goal of this research is to examine the enhancement of student mathematical problem solving ability after students learned using the CORE Model. The research method of this research was quasi experimental method. Population used in this research was all eight graders in a public secondary school in Bandung. The purposive sampling technique was used to derive at samples of two classes categorized into experimental and control classes. The experimental class learned using the CORE Model, while the control class learned using the conventional model. Data analysis was done by comparing the improvements in mathematical problema solving abilities between the experimental class and the control class through a series of tests examined statistically and analyzed using average normalized gain. Student's responses were assessed by means of questionnaires, observation sheets and interviews. The results showed that CORE Model was able to improve the problema solving ability as the average grade for the experimental class is higher tan that of the control class. Furthermore, students showed positive responses toward the CORE Model.
机译：进行了这项研究，因为中学的学生的数学问题解决能力很低。本研究的目标是在使用核心模型学习后，研究学生数学问题解决能力的增强。该研究的研究方法是准实验方法。本研究中使用的人口是万隆于公共中学的所有八家学生。目的采样技术用于导出分为实验和对照类别的两类样品。使用核心模型学习的实验类，而控制类使用传统模型学习。通过比较实验类和对照类之间的数学问题的改进来完成数据分析，通过统计上检查的一系列测试，并使用平均归一化增益分析。学生的回应是通过问卷，观察表和访谈评估的。结果表明，随着实验阶级的平均级，核心模型能够提高问题解决能力是对照类的棕褐色。此外，学生对核心模型表现出积极的回应。

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