Datau, Rahmirini, I Made Putrawan, and Wardani Rahayu. 2022. “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 (1), 90-96. https://doi.org/10.54783/ijsoc.v4i1.419.