Originally Posted by tomgoodman

Actually, Graduate Business Schools do present such research, but businesses frequently ignore it. One case we studied involved a test of different room illumination levels on worker productivity at Western Electric. They tried low, medium, and high room brightness to see which the workers liked best and noted their product output for each scenario. To their surprise, productivity increased at all of the illumination levels. They realized that it was the showing of interest in the workers' opinions and comfort that boosted production, not the light levels.