A personality test is a tool designed to assess and categorize an individual's personality traits, behaviors, and preferences. These tests often consist of a series of questions or statements that respondents answer, which helps to reveal their psychological profile. Common examples include the Myers-Briggs Type Indicator and the Big Five Personality Traits model. The results of personality tests can provide insights into how people think, feel, and interact with others. They are often used in various settings, such as career counseling, team building, and personal development, to help individuals understand themselves better and improve their relationships.