Personality is the relatively stable pattern of thoughts, behaviors, and emotions that differentiates one person from another. A personality inventory is a standardized psychological measure that assesses an individual’s personality. The vast majority of modern personality inventories are objective self-report measures in which individuals respond to a standard series of items on either a dichotomous (e.g., true or false: “I frequently get into fights”) or a Likert-type (e.g., rating from 1 [disagree strongly] to 5 [agree strongly]: “I am a friendly person”) scale. Personality inventories are used in a wide variety of settings because they enable psychologists to gather a large amount of information quickly, easily, and accurately. Personality inventories are not simply informal surveys or quizzes found online or in magazines (e.g., Which Hogwarts ...