Which is not true about employee selection reliability and validity

a. Unreliability in the selection process can be reduced by using multiple assessment devices, using more than one interviewer and making sure interviewers are properly trained

b. Employee selection methods can measure knowledge and skills but not attitudes or potential future behavior.

c. Projective tests are used to get a candidate to respond spontaneously, usually with visual stimuli

d. No matter what other methods are used, the interview technique is almost always used in employee selection