Analisis Validitas Soal Ujian Sertifikasi Petugas Produksi Radioisotop Radiofarmaka

In radioisotops and radiopharmaceuticals producing, an officer must have a certificate of expertise issued by the Personnel Certification Body (LSP) to obtain a Work Permit (SIB) from the Nuclear Energy Regulatory Agency (BAPETEN). To obtain this, candidates must attend a certification exam. It is necessary to test the validity and reliability of the exam questions. Using discriminating power and level of difficulty methods, the results for the discriminating power showed that the general exam questions dominated by moderate category at 60% and for the specific exam questions dominated by poor category at 43.33%. The difficulty level for general and specific exam questions is dominated by easy questions at 82.5% and 63.33%. Most of the questions are in the easy category, poor and moderate discriminant and need to be corrected to meet a 1:2:1 ratio for easy, medium, and difficult questions, which are adjusted to the training syllabus. To align with the participants' educational level, it is necessary to arrange the Higher Order Thinking Skills (HOTS) questions which will explore analytically, evaluation, and creative abilities. This analysis also provides input in the preparation of the question bank as well as a reference for the development of a written test question model.