Only certain pre-employment tests help you avoid hiring liars. Sometimes called Pre-Employment Honesty Tests, but there is more to it than just a name. Some applicants try to appear “better or different” than they truly are. Sure, every applicant seeks to make a good impression. But applicants who go out of their way to deceive you can cause expensive problems if you hire them. WARNING: Not all pre-employment honesty tests successfully catch liars. Learn why this happens in this article.