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Abstract

Problem-solving is a basic thing that students should have, especially in mathematics lessons, if the problem-solving they have is good then their math skills will also be good. This study aims to determine the direct or indirect relationship between self-efficacy and mathematical representation of students' mathematical problem-solving. This study uses a quantitative approach to the type of research ex post facto. The population in this study were all-state junior high school students in Pesawaran District, Lampung Province. The Slovin formula was used to determine the number of samples, a sample of 60 students was obtained and the sampling technique used was stratified random sampling. The instruments used in data collection were self-efficacy questionnaires and tests of mathematical problem-solving abilities and mathematical representations. The results of this study indicate that there is a direct relationship between self-efficacy on mathematical representations, as well as mathematical representations and self-efficacy on solving mathematical problems. Mathematical representations also significantly mediate the indirect relationship between self-efficacy on mathematical problem-solving.

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