A new study shows caffeine is more effective than placebo in reducing errors and improving cognitive performance. It also lowers errors better than a nap.
In other news, duh, and tell that intern to get me a mocha-frappa-carmel-latte-iced-machiccino. This sounds like a Dilbert cartoon. When pointy-haired boss accuses Wally of not doing any work and just sitting there drinking coffee, Wally can quip he is reducing errors.