Soniawati, Neng Ida, Ezi Apino, Heri Retnawati, Farida Agus Setiawati, Ibnu Rafi, Munaya Nikma Rosyada, and Rezkilaturahmi Rezkilaturahmi. “Optimal Number of Response Categories for a Likert-Type Questionnaire: A Simulation Study Within the Frameworks of Classical Test and Item Response Theory”. REID (Research and Evaluation in Education) 12, no. 1 (July 30, 2026): 1–25. Accessed September 19, 2026. https://journal.uny.ac.id/index.php/reid/article/view/95846.