This personality test is based on the popular and well regarded Big Five personality theory, used widely around the world by both researchers and practitioners. It helps you understand your five core personality traits. With this test you can assess your tendencies in Openness to Experience (O), Conscientiousness (C), Agreeableness (A), Extraversion (E), and Emotional Stability (ES) or Neuroticism (N). For each question, please select the option that best describes your usual self. To start the test, please click the start button.