PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE DMR (DISCURSUS MULTY REPRESENTATION) TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA KELAS VIII YAYASAN PERGURUAN GAJAH MADA MEDAN TIMUR

Abstract

This study aims to determine the significant effect of the Discourse Multi Representation (DMR) learning model on the problem-solving abilities of eighth-grade students at the Yayasan Perguruan Gajah Mada Medan Timur. The sample of this study was 32 eighth-grade students at the Yayasan Perguruan Gajah Mada Medan Timur, in the 2024/2025 academic year. This type of research is Pre-Experimental Research with a One Group Pretest-Posttest design. Quantitative research using one sample group, where measurements are carried out twice: before (pre-test) and after (post-test) treatment is given. The results showed that the average pre-test score was 59.53 and the post-test was 83.36. This indicates that the application of the Discourse Multi Representation (DMR) learning model has a good impact on improving students' abilities in solving mathematical problems. Furthermore, with a hypothesis test of a significance level of 0.001 <0.05, H0 is rejected and Ha is accepted. This means that the Discourse Multi-Representation (DMR) learning model has an effect on the mathematical problem-solving abilities of eighth-grade students at the Yayasan Perguruan Gajah Mada Medan Timur. Based on these results, it can be concluded that the DMR learning model is effective in improving students' mathematical problem-solving abilities.