Most of us have heard the saying, "Dress for success." But is there actually any psychological truth behind it? According to a landmark study by psychologists Hajo Adam and Adam D. Galinsky, the answer may be yes. Their research introduced the concept of enclothed cognition: the idea that clothing can influence not only how other people perceive us, but also how we think and perform.

The researchers argued that clothing has symbolic meaning. A white lab coat, for example, is often associated with intelligence, precision, and careful attention. If wearing that clothing causes us to adopt some of those psychological characteristics, then our performance might actually change. To test this idea, Adam and Galinsky conducted a series of experiments.

In one experiment, participants completed a task that measured selective attention, an important cognitive skill that allows people to focus on relevant information while ignoring distractions. Some participants wore a white lab coat during the task, while others did not. Those wearing the lab coat performed significantly better, suggesting that the clothing itself influenced their cognitive performance.

The researchers wanted to determine whether the effect came simply from wearing a lab coat or from what the lab coat represented. In a follow-up experiment, participants wore the exact same white coat, but half were told it was a doctor's lab coat, while the other half were told it was a painter's smock. Even though the garment was identical, only those who believed they were wearing a doctor's coat showed improved attention.

Finally, the researchers found that simply seeing a lab coat was not enough. Participants who looked at the coat but did not wear it failed to experience the same cognitive benefits. The psychological effect required both wearing the clothing and associating it with a meaningful symbolic role. This combination is what the authors called enclothed cognition.