Aini, H.; Sabani, S.; Solikin, S.; Manik, K.; Harahap, R. A.; Putri, R. I. P.; Sibagariang, S. A. B. Analysis of Students’ Cognitive Conceptual Understanding on Temperature and Heat Material Using a Four-Tier Multiple Choice Diagnostic Test. Jurnal. Kependidikan. Fisika 2025, 13, 73-83.