The Myers-Briggs personality test is fundamentally flawed, as it relies solely on individuals’ subjective self-assessments. This method lacks the reliability needed to accurately measure personality, failing to prove that personality traits are static and unchanging. In contrast, the Big Five personality model stands out as a scientifically validated alternative, having undergone rigorous scrutiny by independent research teams over decades. This model distills human attributes into five core factors that are considered essential in understanding personality, showcasing the importance of empirical validation in psychological assessments.