Decision Tree for Analyzing the Accuracy of Answer Sheet Data in Paper-based Test |
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Edy Suharto Magister of Information System Diponegoro University Semarang, Indonesia Aris Puji Widodo Magister of Information System Diponegoro University Semarang, Indonesia Suryono Magister of Information System Diponegoro University Semarang, Indonesia Abstract The accuracy of test data is important for education quality assurance. However, there is a problem due to the possibility of incorrect data filled by test taker during paper-based test. On the contrary, this problem is not found in computer-based test. A method was proposed in this study to analyze the accuracy of answer sheet filling out in paper-based test using data mining technique. A layer of data comprehension was added in the method instead of using raw data. The results of the study were a web-based program for data pre-processing and decision tree models. Among 374 instances which were analyzed, the accuracy of answer sheet filling out attained 95.19% and the accuracy of classification was 100%. This study could motivate the administrators for improvement of the test system since it preferred computer-based test to paper-based. Download Paper Publication Date 27/11/2018 ISBN 978-602-53524-0-9 Copyright
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