Nudge Theory: The Amazing Psychology of Japanese Train Stations

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https://www.citylab.com/transportation/2018/05/the-amazing-psychology-of-japanese-train-stations/560822

 

To the casual observer, it is chaos; commuters packed shoulder-to-shoulder amid the constant clatter of arriving and departing trains. But a closer look reveals something more beneath the surface: A station may be packed, yet commuters move smoothly along concourses and platforms. Platforms are a whirl of noisy activity, yet trains maintain remarkable on-time performance.

Rail stations, whether in Japan or elsewhere, are also great places to see “nudge theory” at work. Pioneered by behavioral economist Richard Thaler, who was awarded the 2017 Nobel Memorial Prize for his work, and Harvard Law School professor Cass Sunstein, the theory posits that gentle nudges can subtly influence people towards decisions in their own (or society’s) best interests, such as signing up for private pension schemes or organ donation.

When it come to passenger manipulation, what sets the stations of Japan apart from their counterparts is both the ingenuity behind their nudges and the imperceptible manner in which they are implemented. Japan’s nudges reflect a higher order of thinking. 

Japan has one of the highest suicide rates among OECD nations, and often, those taking their own lives do so by leaping from station platforms into the path of oncoming trains, with Japan averaging one such instance each day.

Operating on the theory that exposure to blue light has a calming effect on one’s mood, rail stations in Japan began installing these LED panels as a suicide-prevention measure in 2009. They are strategically located at the ends of each platform—typically the most-isolated and least-trafficked area, and accordingly, the point from which most platform jumps occur.

According to a study by researchers at the University of Tokyo published in the Journal of Affective Disorders in 2013, data analyzed over a 10-year period shows an 84 percent decline in the number of suicide attempts at stations where blue lights are installed.

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