Tujuan penelitian ini adalah untuk mengetahui keterlaksanaan analisis butir soal kognitif oleh guru mata pelajaran ipa di kecamatan bunyu dan untuk mengetahui validitas, reliabilitas, tingkat kesukaran, daya pembeda, dan efekktivitas pengecoh (distraktor) soal kognitif oleh guru ipa. metode yang digunakan dalam penelitian ini adalah deskriptif kualitatif melalui wawancara guru dan didukung dengan dokumentasi. subjek penelitian ini adalah guru mata pelajaran ipa kelas viii di smp negeri 1 bunyu, smp negeri 2 bunyu, dan smp negeri 3 bunyu. objek pada penelitian ini adalah tes butir soal penilaian akhir semester yang dibuat oleh guru. penelitian ini dilaksanakan pada tahun ajaran (ta) 2022/2023. hasil penelitian menunjukkan bahwa guru ipa yang melaksanakan analisis butir soal adalah adalah smp negeri 1 bunyu dan smp negeri 3 bunyu. hasil analisis soal kognitif guru ipa di smp negeri 1 bunyu menunjukkan validitas yang baik (80%) dengan reliabilitas tinggi. tingkat kesukaran soal tergolong sedang (67%), sukar (20%), dan mudah (13%). daya pembeda soal terdistribusi dengan kategori jelek sekali (53%), jelek (27%), dan cukup (20%). sebanyak (87%) pengecoh atau distraktor soal diterima. pada smp negeri 3 bunyu, hasil analisis soal kognitif juga positif dengan validitas 100%, namun reliabilitasnya tidak teruji. tingkat kesukaran soal berada pada kategori sedang (50%) dan mudah (50%). daya pembeda soal mencapai kategori baik sekali (100%). sebanyak (63%) pengecoh atau distraktor soal diterima. kata kunci: butir soal kognitif, guru ipa

Problem analysis is performed to construct questions and provide an overview of the problem's qualityboth the overall quality of the problem and the quality of each itemthe purpose of this study was to discover how science teachers implement cognitive item analysis as well as the validity, reliability, difficulty level, distinguishing power, and effectiveness of distractors on cognitive questionsthe research method used in this study was descriptive qualitative through teacher interviews and supported by documentation. the eighth-grade graders science teachers at smp negeri 1 bunyu, smp negeri 2 bunyu, and smp negeri 3 bunyu were the subjects of this studythe teacher's final semester assessment item test was the subject of this investigation. this research was carried out during the academic year 2022/2023according to the findings, the science teachers who conducted the item analysis were from smp negeri 1 bunyu and smp negeri 3 bunyu. the investigation of cognitive questions from science teachers at smp negeri 1 bunyu indicated good validity (80%) and high reliabilitythe difficulty level of the questions was classified as moderate (67%), difficult (20%), and easy (13%). the differentiating power of the questions was distributed in the categories of very poor (53%)poor (27%), and sufficient (20%)many of the question's eliminators or distractors were approved (87%) of the timethe findings of the study of cognitive questions at smp negeri 3 bunyu were also positive, with 100% validity, but the reliability was not verifiedthe difficulty level of the questions ranged between medium (50%) and easy (50%)the questionsdistinguishing power achieved the good category (100%)as many as (63%) of the question's eliminators or distractors were approved. keywords: cognitive question items, science teacher