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Chill in the Air Slows Clack of the Keyboard
ITHACA, N.Y. -- Chilly workers not only make more errors, but cooler temperatures could increase a worker's hourly labor cost by 10%, according to Alan Hedge, professor of design and environmental analysis and director of Cornell University's Human Factors and Ergonomics Laboratory.When the office temperature in a month-long study increased from 68 to 77 degrees Fahrenheit, typing errors fell by 44% and typing output jumped 150%. Hedge's study was exploring the link between changes in the physical environment and work performance."The results of our study also suggest raising the temperature to a more comfortable thermal zone saves employers about $2 per worker, per hour," Hedge said.In the study, which was conducted at Insurance Office of America's headquarters in Orlando, Fla., each of nine workstations was equipped with a miniature personal environment-sensor for sampling air temperature every 15 minutes. The researchers recorded the amount of time that employees keyboarded and the amount of time they spent making error corrections. Hedge used a new research approach employing software that can synchronize a specific indoor environmental variable, in this case temperature, with productivity."At 77 degrees Fahrenheit, the workers were keyboarding 100% of the time with a 10% error rate, but at 68 degrees, their keying rate went down to 54% of the time with a 25% error rate," Hedge reported. "Temperature is certainly a key variable that can impact performance."He will continue to study the impact of indoor environment on worker productivity. "Our ultimate goal is to have much smarter buildings and better environmental control systems in the workplace that will maximize worker comfort and thereby productivity," Hedge said. Visit Cornell University: www.cornell.edu"