ANALYSIS OF STUDENT’S FAULT BASED ON WATSON’S CRITERIA FOR SOLVING THE PROBLEM OF COMPOSITIONAL FUNCTION AND INVERS FUNCTION VIEWED FROM THE LEVEL STUDENT MATHEMATICS ABILITY IN THE CLASS OF XI TKJ-2 SMK SORE TULUNGAGUNG

Authors

  • Nur Anggraini Rizki Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung
  • Maryono Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Keywords:

Analysis, Fault, Compositional Function and Inverse Function, Waston’s Criteria

Abstract

The purposes of the research are for knowing the types of student’s fault in the class of XI TKJ-2 who had high, moderate, and low of math competence for solving problems of compositional function and inverse function based on Waston’s criteria, and for knowing the factors of cause student made fault along with for knowing the alternative solution to repair the student’s fault. The research uses qualitative approach, with type of research is case study. The technique of data collection that was done by observation, written test, and interview. The results of the analysis are (1)The students who had high math competence did the kinds of fault which were skill hierarchy problem. (2) The students who had moderate math competence did the kinds of fault which were omitted data and omitted conclusion. (3) The students who had low math competence did the kinds of fault which were inappropriate data, omitted conclusion, and except the seven criteria above. (4) The factors of causes students make mistake are they are confused, not careful, do not use complete data and inaccurate data, do not understand the use of the compositional function formula, have not understood the concept of the invers function, takes a long time to understand the exercise, and do not re-check the answer (5) The alterative solution to repair the student’s fault i.e., the students can improve their comprehension, accuracy of doing rechecking, make good use of time, and the students must be active to ask during the learning process. Whereas teacher can use learning method drill, method problem-based learning, and implement remedial teaching.

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Published

2023-01-18