ANALISIS KUALITAS BUTIR SOAL TES BUATAN GURU MATA PELAJARAN MATEMATIKA KELAS X SMA NEGERI 1 AIRMADIDI TAHUN AJARAN 2019/2020

Abstract

ABSTRACT. This research aims to describe the quality of teacher-made tests on mathematics. This quantitative descriptive research conducted at SMA Negeri 1 Airmadidi, where 100 answer sheets of mathematics test of 10th graders from 3 parallel classes were taken as the sample. Aspects analyzed including the item’s level of difficulty, validity, reliability, and discrimination index, as well as the effectiveness of distractors. Results found that out of 15 multiple choice items; there was 1 valid question, 14 were invalid, while all of the 5 essay questions were valid. The multiple-choice item's index of reliability of 0.27, which falls in a low category, while the essay questions have the reliability of 0.88, which is categorized as very high; 9 questions have easy in difficulty; 6 questions with moderate difficulty, while all of 5 essay questions were medium; 8 questions have good distractors, and 7 questions were ineffective; 13 questions have good discrimination power and 2 questions have poor discrimination. Two essay questions have a medium discrimination index and 3 questions have good; 5 essay questions were valid, reliable and have a moderate level of difficulty. So, it concluded that the mathematics test made by a teacher for 10th graders at X SMA Negeri 1 Airmadidi generally poor in its quality.

Key Words: Quality of Test, Reliability, Validity