Description of Ability to Understand Mathematic Concepts of Junior High School Students in Terms of Self Confidence

Malim Muhammad, Aisyah Latifah Rahmawati

Abstract


This research aimed to describe the mathematical concept of understanding skill on junior high school students
reviewed from self-confidence. This descriptive qualitative research used the Miles and Huberman model, which
included data reduction, data display, and conclusion. This research subjects were six students from the 7th grade
of SMP Negeri 1 Karangpucung, Cilacap, Central of Java, Indonesia. These subjects were taken using purposive
sampling. The data were collected using a self-confidence questionnaire, mathematical concept understanding skill
test on the subject matter of circle, interview, and documentation. The results showed the subjects with high selfconfidence had fulfilled indicators of restating the concept they learned. They are classifying objects by paying attention to the qualified requirements from the concept they learned, giving an example and non-example of the concept they learned, presenting the concept to the form of mathematical representation, and applying the concept to solve a problem. The subjects with medium self-confidence had fulfilled indicators of restating the concept, classifying objects by paying attention to the concept's qualified requirements, giving an example and non-example from the concept, using the concept's procedure applying the concept to solve a problem. The subjects with low self-confidence had fulfilled classifying objects by paying attention to the qualified requirements from the concept, giving an example and non-example from the concept, using the procedure from the concept, and applying the concept to solve a problem.


Keywords


mathematical concept understanding skill, self-confidence

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