Reliability and Validity of Interviews
Interview validity refers to whether interview questions map to specific competencies listed on the Competency Assessment Worksheet. To ensure maximum validity, there needs to be a one-to-one correspondence between interview questions asked and underlying competency.
To ensure interviewer reliability, all interviewers need to use interview questions that are designed this way. It is only when this mapping has been documented and used by all interviewers for a particular candidate can it be said that the interview data for that candidate is reliable and valid, or consistent with the competencies deemed essential for the job.
According to David Cherrington in The Management of Human Resources Instructor's ...
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