Which of the Following Is True About Predictive Validation

Which of the following is true about predictive validation?

A) It is the least effective method of measuring validity.
B) It uses the test scores of all applicants and looks for a relationship between the scores and future performance.
C) It involves administering a test to people who currently hold a job and comparing their scores to existing measures of job performance.
D) It is the quickest and easiest method compared to other ways of measuring validity.
E) It permits an employees' firsthand experience with the job to influence his performance in the test.