Alduais, Mohammed Hatem Saeed. “The Effectiveness Of Using Rating Scale Model In Calibrating Items Of The Big Five Personality Factors Scale On Taiz University Students”. Humanities and Educational Sciences Journal, no. 4 (December 31, 2018): 62–92. Accessed August 25, 2026. http://hesj.org/ojs/index.php/hesj/article/view/26.