Irta, A.Z., Kurniawan, R. and Guspa, A. 2026. How Reliable, How Certain? A Bayesian Reliability Analysis of the Short Dark Tetrad (SD4) Among Indonesian University Students. Nusantara Journal of Behavioral and Social Science. 5, 3 (Jul. 2026), 113–124. DOI:https://doi.org/10.47679/njbss.202619153.