The unemployment rate for would-be workers 20 to 24 is just about double the 7.6 percent for the workforce as a whole. This is the age when young adults are anxious, or should be, to launch a career and employers should be eager to have them.

One reason for the sluggish pace of hiring is that those in the 18-34 age group -- the so-called Millennials -- don't interview well.

"Hiring managers say many perform poorly -- sometimes even bizarrely -- in job interviews," according to a USA Today sampling of human resources managers.

The interview may be just a hint of what is to come.

York College of Pennsylvania surveyed hundreds of managers responsible for hiring new college grads and found: -- Fewer than half of new hires exhibit professionalism in their first year. Professionalism includes punctuality, regular attendance, paying attention and sticking with a job until completion.

-- Just over half of those surveyed reported that job applicants and new hires were often arrogant, exhibiting an air of entitlement.

-- They spend far too much time during working hours on social media like Facebook and Twitter.

-- Some applicants take phone calls or text during the interview. The abbreviated language of texting and tweeting have left many young people with "stunted social skills," according to one manager.

-- Almost half those surveyed by York reported a worsening of the work ethic.

-- Some applicants bring one or both parents to the interview, and USA Today reports that one college senior brought her cat with her, placed the carrier on the interviewer's desk and played with it throughout the interview.

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We hope this list of no-no's is helpful. When you get the job, work hard, rise through the ranks and, to paraphrase an old ad aimed at successful executives, "When your name is on the door, you can have your cat on the floor."

Dale McFeatters is a syndicated columnist.