What are the holes that exist in most employee selection processes that cause needless hiring mistakes? (multiple answers permitted)

According to a recent CareerBuilder survey, two-thirds of American businesses have faced lower productivity and reduced employee morale due to a bad hire.

Many managers who make hiring decisions are competent in their area of expertise but lack the proper interviewer training to know how to correctly identify applicants who will be 'High Performers' if hired.

What is motivation-based interviewing?

An applicant with great job skills will always out-perform a job applicant with lesser skill.

Most companies track turnover and know exactly how many of their best performing employees are exiting and why.

Most unmotivated employees were great hires but they changed after they were hired due to poor management, unrealistic job expectations and/or unsatisfactory working conditions.

When it comes to tracking hiring effectiveness, which one of these do most organizations NOT track?

Given enough time and hands-on interviewing experience, most interviewers will eventually learn how to correctly identify high achievers.

An applicant's response to obstacles is considered to be one of the best predictors of their future job performance and success.