New research shows that bosses think people who use flextime to put in earlier days are better employees than those who choose to work later shifts.
The study is the first to document such a bias in the modern workplace.
“In three separate studies, we found evidence of a natural morning bias at work,” says coauthor Kai Chi (Sam) Yam of University of Washington’s Foster School of Business.
“Compared to people who choose to work earlier in the day, people who choose to work later in the day are implicitly assumed to be less conscientious and less effective in their jobs.”
Today, nearly 80 percent of American businesses offer some kind of non-traditional work schedule. These include compressed workweeks, job shares, and, most frequently, flextime—a policy allowing employees to begin and end their workday within a range of acceptable hours.
Google allows many employees to set their own hours. Microsoft workers can start their day any time between 9 a.m. and 11 a.m. At KPMG, 70 percent of employees work flexible hours.
Such schedules have proven to be popular with employees. Flextime makes it easier to meet family and other non-work commitments. It also accommodates an employee’s personal work style.
And because employees love the programs, firms are learning to love them, too. Research shows that flexible work practices generally lead to increased productivity, higher job satisfaction, and decreased turnover intentions.
Yet a serious question lurks beneath this trend toward scheduling latitude: Do employees who take advantage of flexible work policies incur career penalties for doing so?
TESTING FOR BIAS
Yam and assistant professors of management Ryan Fehr and Christopher Barnes designed three studies to test for managerial bias in flextime situations.
The first established that, on average, people make a greater natural implicit (nonconscious) association between the concepts of “morning” and “conscientiousness” than between the concepts of “evening” and “conscientiousness.”
A field study explored the impact of this bias in actual work settings and on ratings provided by real supervisors. Even after statistically controlling for total work hours, employees who started work earlier in the day were rated by their supervisors as more conscientious, and thus received higher performance ratings.
A final laboratory experiment confirmed the bias. Participants acting the part of supervisors were asked to rate fictitious employees whose performance was identical—the only difference was their work schedule.
The acting managers perceived the employees who worked from 7 a.m. to 3 p.m. to be more conscientious and higher performing than their counterparts who worked from 11 a.m. to 7 p.m.
Yam notes that the morning bias is strongest in supervisors who also are early birds, and all but disappears when supervisors are night owls.
TALK TO THE BOSS
The findings suggest that some employees are experiencing a deduction in their performance ratings that is not based on anything having to do with actual performance. This could lead to fewer or less frequent pay raises and promotions.
Organizations may be inadvertently punishing employees who use flextime to start and finish work later in the day.
Yam says that senior managers need to take measures to stop this from happening. They should educate supervisors to make them aware of their tendency to stereotype night owls as less productive than early birds. And they should implement performance ratings based on objective standards that do not allow implicit prejudices—such as a morning bias—to color their assessments.
And for flextime-loving employees? Yam acknowledges that workers might be better served by using flextime to move their schedules earlier rather than later in the day.
But rather than give in to the morning bias, he suggests that employees raise the subject of hours and timing with their supervisors to make explicit the understanding that start time is immaterial.
“One way or another, team leaders must come to accept that the people who use flextime to start their day late are not necessarily lazier than their early bird colleagues,” Yam says. “Otherwise, flextime policies that could serve both employees and employers well will become known, and avoided, as routes to dead-end careers.”
The study is forthcoming in the Journal of Applied Psychology.
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