Question

Ed took a Civil Service Test and was subsequentlu hired by the Post Office, where he performed well. The Civil Service Test was used because

A. it had been shown to be an effective predictor variable

B. it had been useful as a criterion variable

c. scores on the test correlated perfectly with IQ

d. scores on it regressed to the mean

please explain why.

Answer 1

Ed took a Civil Service Test and was subsequently hired by the Post Office, where he performed well. The Civil Service Test was used for the appointment of employees because the test will have scores, and the subjects who got higher score will get the job.

The score of the test will act as a predictor variable whether the subject get a job (dependent variable) or not.

The Civil Service Test was used because, it had been shown to be an effective predictor variable.