During an employment interview, an employer is checking out job candidates to find the best one for the organization, but it should also be a time when job seekers are checking out prospective employers to decide if they are the best fit for them. As a job seeker, you already know the situations and environments in which you thrive, therefore, you want to make the best choice in employment. The last thing you want to do is accept a job and later discover that you cannot work with your boss. One of the best ways to discover if a job is really the best fit for you, is to reference-check your future boss.
via Reference-Checking Your Future Boss | Career Plus Work Blog – Right Management.