uct validity</em>. Is the measurement related to other measurements in an appropriate way? This is often subdivided into two aspects. <em>Convergent validity</em> means that the measurement should be closely related to other measures that are thought to reflect the same construct. Let’s say that I am interested in measuring how extroverted a person is using either a questionnaire or an interview. Convergent validity would be demonstrated if both of these different measurements are closely related to one a