The New Science of Hiring

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A note about testing for hourly employees. There, employers might care most about who's punctual and honest. Rock Bottom Restaurants, a 29-store chain based in Louisville, Colorado, switched three years ago from a pencil-and-paper application for its hourly employees to a test from Unicru. (Kenexa and PreVisor are two other assessment companies focusing on entry-level and hourly applicants.) For waiters, it tests for sociability and team orientation; for the back of the house, it asks applicants whether they've worked in on-their-feet jobs before; for all job candidates, it looks at integrity. Applicants in each pool--cooks, bartenders, and so on--are ranked according to their assessment scores, which gives the Rock Bottom management a good starting point. "It's not 100 percent predictive, and that's why we interview people, but it's at least an indicator," says Ted Williams, senior vice president of the brewery division at Rock Bottom. Rock Bottom's turnover for its 6,000 hourly employees has dropped by 20 percent, which Williams thinks is largely because of the system.

Step 3

In which the process starts to imitate finding World War II spies

In 1943, a pretty countryside residence in Fairfax, Virginia, was renamed Station S and repurposed as a testing site for Office of Strategic Services recruits. In an atmosphere of intense secrecy--candidates were stripped of their clothes and given military fatigues, then driven in a windowless van to Fairfax, where they would invent a cover story and fake name--the OSS studied their performance during job simulations. One test had "couriers" giving candidates a map, which they'd need to memorize in eight minutes. Other exercises included interrogating ersatz prisoners of war, devising propaganda plans, and recovering papers from an agent's room (and, aggravatingly, getting interrupted by a rifle-wielding "German" midway). The tests went on for three and a half days.

Inspired by that work-based approach, corporations such as AT&T starting using assessment centers to select executives. By the late 1950s, the candidate in the gray flannel suit was performing in-basket assessments in which he'd be graded on how he handled a set of letters, papers, tasks, and telephone calls that mimicked what he'd get on the job.

Today's work samples are essentially updates of those AT&T tests. Work samples are a proven predictor of success and can be simple to arrange. A company can design its own by laying out the criteria for a job and asking a candidate to perform a task based on those criteria. For example: "Explain how you would sell this product to Target, step by step," or "Tell me how you'd improve these lines of C++ code."

4 Number of weeks capital H Group dedicates to hiring a single consultant

At Sterling Communications, a technology PR firm in Los Gatos, California, CEO Marianne O'Connor knows her account reps have to be good at understanding technical information, at figuring out how to pitch to a media outlet, and at writing. Logical enough. So she's started giving job candidates a two-hour test before she even meets with them. It describes a client's technology, identifies a target publication and its readership, and asks a candidate to distill the salient technical points and write a pitch to the magazine. Three staffers review the pitch, and that decides whether the candidate will get an interview. "If they can't write in my business, it's not going to work," O'Connor says.

On the complicated end of the work-sample spectrum, Seymour Adler, the Aon Consulting psychologist, has created a four-hour online exercise called Leader, which Motorola and other companies use to test would-be executives. Candidates see an in box with e-mails that came in the night before, answer phone calls and listen to voice mails, and have access to reports and research. They're asked to tackle tasks like ones they would see on the job, such as solving a conflict between two underlings or leading a team of workers in creating a presentation for the CEO. At the end, Adler's team assesses the candidates on whatever areas the company is curious about--decisiveness, leadership, and so forth--and issues a report to the company. A company called Development Dimensions International offers similar exercises; these take place at one of its 75 assessment centers rather than online. Half-day and full-day job simulations cost from $4,000 to $12,000.

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