This document provides an overview of the Big Five personality traits model and describes how it was used to evaluate and compare the personalities of Austrian and Malaysian people. It introduces the Big Five traits of Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness to Experience. For each trait, it outlines its key characteristics and explains how researchers have defined and measured that dimension of personality. The document also presents the theoretical framework of the Big Five model, noting it has been validated through decades of psychological research as assessing the most important components of personality that impact social and interpersonal interactions.