Test Items Analysis of Mathematical Problem Solving Ability using a Classical Test Theory Approach

This study aims to analyze the item characteristics of mathematics problem-solving ability test instrument using Classical Test Theory model. The data collection was based on results documentation as many 359 students with dichotomous data. Qualitative validation analysis by experts uses panel method, and quantitative Aiken index Content Validity Ratio (CVR), while biserial point correlation. reliability used Alpha-Cronbach method. qualitative show that all items correspond indicators solving mathematical problems, but technically writing a few needs improvement. Quantitative CVR shows are valid good validity. is stable, coefficient 0.83. Then, consists very difficult, easy levels. All were able distinguish taker's effectiveness distractor function correctly. Keywords: classical theory, correlation, validity, reliability. Abstrak: Penelitian ini bertujuan untuk menganalisis karakteristik butir soal instrumen tes kemampuan pemecahan masalah matematika menggunakan model . Pengumpulan berdasarkan hasil dokumentasi sebanyak siswa dengan bentuk dikotomus. Analisis validasi kualitatif oleh ahli metode dan analisis kuantitatif indeks (CVR) sedangkan korelasi poin biserial. Indeks reliabilitas Alpha-Cronbach. Hasil menunjukkan semua memiliki kesesuaian indikator matematika, namun secara teknis penulisan beberapa perlu perbaikan. validitas baik. Reliabilitas stabil koefisien sebesar Kemudian, terdiri dari tingkat sangat sukar, sukar mudah. Semua mampu membedakan peserta juga efektivitas distraktor berfungsi Kata kunci: teori klasik, biserial, validitas, DOI: http://dx.doi.org/10.23960/jpmipa/v22i1.pp98-111