Pengembangan Perangkat Tes Try Out UN ... Fieka Nurul Arifa, Djemari Mardapi Jurnal Evaluasi Pendidikan Volume 2, No 2, 2014 135 PENGEMBANGAN PERANGKAT TES TRY OUT UN SMP BIDANG STUDI MATEMATIKA UNTUK PEMBENTUKAN BANK SOAL Fieka Nurul Arifa, Djemari Mardapi Prodi Penelitian dan Evaluasi Pendidikan PPs UNY, Universitas Negeri Yogyakarta fiekanarifa@gmail.com, djemarimardapi@gmail.com Abstrak Penelitian ini bertujuan untuk mengembangkan butir soal, mengetahui karakteristik dan melakukan penyetaraan butir soal pada perangkat soal Try Out UN SMP Bidang Studi Matematika untuk pembentukan bank soal. Model pengembangan yang digunakan adalah model prosedural. Sampel sebanyak 1.140 respons peserta didik diperoleh melalui stratified propotional random sampling. Perangkat tes yang diujikan meliputi 4 paket soal yang setiap paketnya berisi 40 butir soal dengan 8 butir anchor. Analisis butir soal dilakukan melalui analisis kualitatif dan analisis kuantitatif. Analisis kualitatif didasarkan pada kesesuaian butir soal dengan lembar telaah berdasarkan kriteria materi, konstruksi, dan bahasa. Analisis kuantitatif menggunakan Teori Respons Butir dengan bantuan program BILOG-MG 3.0. Hasil penelitian menunjukkan bahwa 107 butir soal memiliki karakteristik baik terdiri dari 26 butir soal P1, 25 butir soal P2, 24 butir soal P3, 24 butir soal P4, dan 8 butir soal anchor. Kata kunci: bank soal, karakteristik butir soal, penyetaraan butir soal DEVELOPING A SET TEST FOR NATIONAL EXAM’S TRY OUT OF MATHEMATICS STUDY IN JUNIOR HIGH SCHOOL TO ESTABLISH A TEST ITEM BANK Fieka Nurul Arifa, Djemari Mardapi Prodi Penelitian dan Evaluasi Pendidikan PPs UNY, Universitas Negeri Yogyakarta fiekanarifa@gmail.com, djemarimardapi@gmail.com Abstract The aim of this study is to develop item tests, identify the characteristics, and equate the test items of National Exam Try Out of Mathematics Study in Junior High School to establish a test item bank. The development model used in this study is procedural model. The sample comprised 1,140 students’ responses obtained by stratified propotional random sampling. A set of the test that was tested to the students consist of four test packages, each of which contains 40 test items with 8 common items. The analysis of the test items was conducted through qualitative and quantitative technique. The qualitative analysis was based on the conformity of test items with review sheets on the material criteria, construction, and language. The quantitative analysis use Item Response Theory supported by Bilog MG 3.0 program. The results of the study show that 107 item test have good characteristics, it contains of 26 items in package 1, 24 items in package 2, 24 items in package 3, 24 items in package 4, and 8 common items. Keywords: item bank, characteristics of test items, equation of test items