Prof. Dr. Edi Istiyono, M.Si, one of the Professors of Physics Education in the field of Assessment and Evaluation of Physics Education, Department of Physics Education, FMIPA UNY, was a resource person in the Guest Lecture Public Lecture at FKIP, University of Papua. The title of the public lecture is Diagnostic Tests as an Important Pillar in Learning Computer-Based Tests Four-Tier Diagnostic Tests, a Solution for Today's Diagnostic Tests. The activity was held on Monday, August 28 2023 and was opened directly by the Dean of FKIP, University of Papua. This public lecture was also attended by Deputy Dean 1, namely Mr. Jan Hendriek Nunaki, S.Pd., M.Sc., lecturers and of course FKIP students at the University of Papua.

This general lecture material is related to the Four-Tier stages, including questions, confidence in the answer to the question, reasons for the answer and confidence in the reasons that have been widely researched to identify students' misconceptions. Computer-Based Test learning cannot be avoided because of the digital transformation in learning. Thus, this general lecture material can provide motivation for lecturers in developing diagnostic tests to identify misconceptions and of course further open the insight of FKIP University of Papua students themselves.