"JUST days before New York’s Republican gubernatorial primary, Carl Paladino mailed out thousands of campaign ads impregnated with the smell of rotting garbage. Emblazoned with the message “Something Stinks in Albany” and photos of scandal-tainted New York Democrats like former Gov. Eliot Spitzer and Representative Charles Rangel, the brochure attacked Mr. Paladino’s rival, former Representative Rick Lazio, for being “liberal” and a part of the state’s corrupt political system.
At first glance, the revolting scent seemed like another attention-grabbing stunt from Mr. Paladino. But recent research on disgust suggests that the odor may have had additional, hidden effects on the 200,000 registered Republicans who received the brochures.
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Consider recent experiments by the psychologist Simone Schnall and her colleagues: people who were sitting in a foul-smelling room or at a desk cluttered with dirty food containers judged acts like lying on a résumé or keeping a wallet found on the street as more immoral than individuals who were asked to make the same judgments in a clean environment. This general finding has been replicated by other psychologists using a variety of disgust elicitors and moral behaviors.
Subtle cues about disgust and cleanliness can affect social and political judgments as well. In an experiment conducted recently by Erik Helzer, a Cornell Ph.D. student, and one of us (David Pizarro), merely standing near a hand-sanitizing dispenser led people to report more conservative political beliefs. Participants who were randomly positioned in front of a hand sanitizer gave more conservative responses to a survey about their moral, social and fiscal attitudes than those individuals assigned to complete the questionnaire at the other end of the hallway. ..."
http://www.nytimes.com/2010/10/24/opinion/24pizarro.html?_r=1&scp=1&sq=smell%20research&st=cse