Datau, Rahmirini, I Made Putrawan, and Wardani Rahayu. “The Effects of Odd or Even Number of Options on The Variance of Item Validity in Environmental Personality (Big-Five Personality)”. International Journal of Science and Society 4, no. 1 (January 21, 2022): 90-96. Accessed July 24, 2026. https://ijsoc.goacademica.com/index.php/ijsoc/article/view/419.