Exploring Students Learning Difficulties in Linear Function:  A Diagnosis of Grade 9

Sarah Inayah; Al Jupri; Darhim Darhim; Sufyani Prabawanto

doi:10.31764/jtam.v8i1.17259

Exploring Students Learning Difficulties in Linear Function: A Diagnosis of Grade 9

Sarah Inayah, Al Jupri, Darhim Darhim, Sufyani Prabawanto

Abstract

The aim of this research is to determine students' learning difficulties in completing diagnostic tests on linear function material. In managing data, quantitative procedures are used with the aim of reducing data. After that the data is analyzed using inductive data analysis and the processed data will be presented in narrative form. So this type of research is qualitative research. The subjects in this research were class IX students at a junior high school in Cianjur. The instruments used in this research were documentation, tests and interviews. The conclusions of the research results obtained include the types of student difficulties in straight line equation material are (1) difficulties in algorithmic abilities including a lack of planning abilities (strategy knowledge) and in solving abilities (algorithmic knowledge) which are shown from incomplete answers or lack of steps , the lack of accuracy of students in working; (2) difficulties in using the principle of linear functions, lack of mastery of the basics of algebra and lack of understanding (schematic knowledge) as indicated by difficulties in recognizing linear functions in contextual problems, errors in algebraic computations, difficulty in determining the point through which the line passes, and difficulty in apply the principle of parallel or perpendicular gradients; and (3) difficulties in using the concept including the inability to remember the concept, the inability to deduce useful information from a concept and the lack of understanding skills (schematic knowledge) which is shown by incompleteness in writing formulas. This research will be useful as a preliminary study in making learning designs to overcome student learning difficulties in linear function material based on empirical findings.

Keywords

Diagnosis; Learning Difficulties; Linear Function.

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DOI: https://doi.org/10.31764/jtam.v8i1.17259