Friday, October 30, 2009

Discredited Old--uh--New Cutting Edge Science

Clean Smells Promote Moral Behavior, Study Suggests

ScienceDaily (Oct. 26, 2009) — People are unconsciously fairer and more generous when they are in clean-smelling environments, according to a soon-to-be published study led by a Brigham Young University professor.

The research found a dramatic improvement in ethical behavior with just a few spritzes of citrus-scented Windex.

Katie Liljenquist, assistant professor of organizational leadership at BYU's Marriott School of Management, is the lead author on the piece in a forthcoming issue of Psychological Science. Co-authors are Chen-Bo Zhong of the University of Toronto's Rotman School of Management and Adam Galinsky of the Kellogg School of Management at Northwestern University.

The researchers see implications for workplaces, retail stores and other organizations that have relied on traditional surveillance and security measures to enforce rules.

"Companies often employ heavy-handed interventions to regulate conduct, but they can be costly or oppressive," said Liljenquist, whose office smells quite average. "This is a very simple, unobtrusive way to promote ethical behavior."

Perhaps the findings could be applied at home, too, Liljenquist said with a smile. "Could be that getting our kids to clean up their rooms might help them clean up their acts, too."

The study titled "The Smell of Virtue" was unusually simple and conclusive. Participants engaged in several tasks, the only difference being that some worked in unscented rooms, while others worked in rooms freshly spritzed with Windex.

The first experiment evaluated fairness.

As a test of whether clean scents would enhance reciprocity, participants played a classic "trust game." Subjects received $12 of real money (allegedly sent by an anonymous partner in another room). They had to decide how much of it to either keep or return to their partners who had trusted them to divide it fairly. Subjects in clean-scented rooms were less likely to exploit the trust of their partners, returning a significantly higher share of the money.

•The average amount of cash given back by the people in the "normal" room was $2.81. But the people in the clean-scented room gave back an average of $5.33.

The second experiment evaluated whether clean scents would encourage charitable behavior.

Subjects indicated their interest in volunteering with a campus organization for a Habitat for Humanity service project and their interest in donating funds to the cause.

•Participants surveyed in a Windex-ed room were significantly more interested in volunteering (4.21 on a 7-point scale) than those in a normal room (3.29).
•22 percent of Windex-ed room participants said they'd like to donate money, compared to only 6 percent of those in a normal room.

Follow-up questions confirmed that participants didn't notice the scent in the room and that their mood at the time of the experiment didn't affect the outcomes.

"Basically, our study shows that morality and cleanliness can go hand-in-hand," said Galinsky of the Kellogg School. "Researchers have known for years that scents play an active role in reviving positive or negative experiences. Now, our research can offer more insight into the links between people's charitable actions and their surroundings."

While this study examined the influence of the physical environment on morality, Zhong and Liljenquist previously published work that demonstrated an intimate link between morality and physical cleanliness. Their 2006 paper in Science reported that transgressions activated a desire to be physically cleansed.

Liljenquist is now researching how perceptions of cleanliness shape our impressions of people and organizations. "The data tell a compelling story about how much we rely upon cleanliness cues to make a wide range of judgments about others," she said.

My Comment: A few points here. The first is that this theory, the correlation between odor and behaviors, odors and illness, was abandoned for the germ theory of disease. What do we usually do with old theories? We tend to put them on a trash heap of anitquated ideas--and I don't think this is the right thing to do. We treat older scientists, old customs, old thinking of any type as if those holding those thoughts didn't have a firm grasp on reality. We think of them as being less intelligent, less concerned with empirical data, less skilled at taking their perceptions and turning those perceptions into accurate observations about cause and effect and the world in which we live. Well, that's not true. The older scientists and priests and rabbis were not necessarily less intelligent, or less rigorous in their attempts to accurately incorporate their observations into something more substantial than opinion. In fact, it is quite possible that if they did miss the mark, they didn't miss it by much. It is reasonable to ask ourselves what is the data that led them to their conclusions. There may be something very valuable in those old notions about the world. The findings in these experiments are just one example.

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