Item Analysis of Teacher Made Test in Biology Subject

Abstract

One of the teachers' competencies is the ability to compose tests that include difficulty, discriminating power, and the effectiveness of distractors. This research was conducted to evaluate the analysis of teacher-made tests, which can be seen from the three aspects of the test. The population of this study was 80 students of class X-MIPA MAN 1 Kubu Raya Regency, West Kalimantan Province, Indonesia, who had taken the final exam, using the total sampling technique. The research was conducted in December 2020. Data analysis using ITEMAN software to measure the level of difficulty, discriminating power, and effectiveness of distractors on 40 items. The resulted show that a). Difficulty level: 12,5% difficult, 45% moderate, 42,5% easy; b) discriminatory power: 30% poor, 15% unsatisfactory, 42,86% satisfactory, and 32,5% very satisfactory; c) distractor effectiveness: 22,5% without revision, 25% incorrect revision of 1 option, 22,5% incorrect revision of 2 options, 22,5% incorrect revision of 3 options, and 7,5% incorrect revision of 4 options. The evaluation results showed that only 37.5% of the items had good enough and good characteristics. There are 63.5% of items with poor and bad characteristics. Researchers recommend training organized by schools or education offices on the competence to make tests.