Answer: D- Concurrent
Explanation: Concurrent validity measures how adequately a new test compares to an adequately ascertained test. It is a quick method of validating one’s information and personal characteristics. In this case, the human resource manager would be most concerned with concurrent validity so as to validate his previous belief about the test scores of the two people in the context.
Concurrent validity is a parameter mostly used in sociology, psychology, and other behavioral sciences or science of behavior and mind measurement.