In the interview, people tell you what they want you to hear. It is up to you to determine the validity of the information you are gathering. Your job, as a recruiter and interviewer is not to hire the person but to make sure there is a job match. In Tips to Improve Your Interviewing Techniques, Leroy Hamm gives valuable insight into setting up an interviewing system that increases your odds in hiring the right person for the job.
The goal of the interview should not be to hire the job candidate but to make sure there is a “job match.” Making a mistake in this area can range from a cost of two to three times the employee’s annual salary, according to most estimates. Also, the indirect costs of hiring the wrong person can be excessive time and attention by management, a damaged image of the company in the marketplace, and an adverse impact upon the morale of co-workers and associates.