Criterion-Related Validity1. Predictive validation: This research uses the test scores of all applicants and looks for a relationship between the scores and the future performance of those who were hired.2. Concurrent validation: This type of research administers a test to people who currently hold a job, then compares their scores to existing measures of job performance. If the people who score highest on the test also do better on the job, the test is assumed to be valid. Content and Construct Validity