medium · GMAT Verbal
A technology firm allowed a division of 200 employees to work remotely three days per week, while a comparable division of similar size and workload continued to work in the office full time. Over the following year, the remote-eligible division's output per employee, measured by completed project milestones, rose 15 percent more than the office-based division's. Company leadership concluded that the remote-work policy increased productivity.
Which of the following, if true, would most strengthen leadership's conclusion?
- Employees in the remote-eligible division reported higher job satisfaction than those in the office-based division.
- The two divisions had comparable average tenure, project complexity, and management quality throughout the year.
- The company's stock price rose over the same period.
- Employees in the remote-eligible division spent less money commuting.
- The remote-eligible division was located in a different city than the office-based division.
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