Consider this claim: What you wear can affect how well you work. Which is the strongest evidence to support the claim? The president of a professional success organization observes that fair or not, people are judged in the workplace by the way they look including how they dress. A study conducted at the Kellogg School of Management at Northwestern University showed that when research subjects wore a scientist's or medical doctor's white coat, they performed better on a test. Researchers have found that a combination of appearance and communication skills affects how people behave toward you in a work environment.