Most people are, according to a Workforce Management Quick Take titled Organizations Look to Get Personal in €™07. Statistics from the short article (my emphasis):
Organizations in 2007 will increasingly turn to personality tests when recruiting and hiring, according to Birkman International in Houston. Birkman, citing research from New Orleans-based Rocket-Hire Inc. (a Dear Workforce contributor), says 65 percent of companies used them in 2006, up from 34 percent a year earlier.
That is a noticeable increase in one year. If you are not using assessments today in your hiring process, we can help.