Most people who are interested in psychology have probably heard of the Big Five model, which divides personality into five traits: extraversion, neuroticism, conscientiousness, agreeableness, and openness. It is often depicted as The model of personality—the holy grail of personality psychology. Sometimes a dichotomous contrast is made between pseudo-scientific models, such as the Myers-Briggs, DISC, or enneagram models, and the scientific model of personality—that is, the Big Five. The pseudo-scientific models are flawed for two main reasons: (1) they capitalize on and bolster categorical and simplistic thinking about personality in everyday life, as well as people’s need for a positive self-image, and (2) they are not supported by scientific evidence.…