The video discusses psychological solutions implemented to improve public behavior and reduce frustration, primarily focusing on traffic management and public transportation.

It begins by highlighting a successful psychological intervention in Korea: red traffic lights with countdown timers. This feature is explained to reduce accident rates by mitigating driver impatience and irritation, as seeing the remaining wait time makes the delay more bearable. The speaker contrasts this with a less successful application in China, where countdowns were applied to green lights, leading to an increase in accidents because drivers would speed up to beat the light. Experiments in Korea confirmed that countdowns on red lights decrease accidents, while on green lights, they increase them.

The discussion then shifts to the London Underground, where a significant improvement in passenger satisfaction was achieved not by increasing train frequency or adding trains, but by installing dot matrix display boards on platforms. These boards provide countdowns to the arrival of the next train. The video explains that waiting seven minutes for a train with a visible countdown is perceived as less frustrating than waiting a shorter, but uncertain, four minutes without any information.

TheFinanceInfo

Here's a beautiful example of a psychological solution deployed in Korea. Red traffic lights have a countdown delay. It's proven to reduce the accident rate in experiments. Why? Because road rage, impatience, and general irritation are massively reduced when you can actually see the time you have to wait.

In China, not really understanding the principle behind this, they apply the same principle to green traffic lights. Um, which isn't a great idea. You're 200 yards away. You realize you've got 5 seconds to go. You floor it.

The Koreans very assidiously did test both. The accident rate goes down when you apply this to red traffic lights. It goes up when you apply it to green traffic lights.

The single best improvement in passenger satisfaction on the London Underground. They didn't add any extra trains nor change the frequency of the trains. They put dot matrix display boards on the platforms. Waiting seven minutes for a train with a countdown clock is less frustrating and irritating than waiting four minutes, knuckle-biting, going, "When's this train going to damn well arrive?" This

This Simple Psychological Solution Reduced Car Accidents with Rory Sutherland

Here's a beautiful example of a
psychological solution deployed in
Korea. Red traffic lights have a
countdown delay. It's proven to reduce
the accident rate in experiments. Why?
Because road range impatience and
general irritation are massively reduced
when you can actually see time you have
to wait. In China, not really
understanding the principle behind this,
they apply the same principle to green
traffic lights. Um,
which isn't a great idea. You're 200 y
away. You realize you've got 5 seconds
to go. You floor it. The Koreans very
assidiously did test both. The accident
rate goes down when you apply this to
red traffic lights. It goes up when you
apply it to green traffic lights. The
single best improvement in passenger
satisfaction on the London Underground.
They didn't add any extra trains nor
change the frequency of the trains. They
put dot matrix display boards on the
platforms. Waiting seven minutes for a
train with a countdown clock is less
frustrating and irritating than waiting
four minutes knucklebiting going,
"When's this train going to damn well
arrive? This

Get Our Mobile App

This Simple Psychological Solution Reduced Car Accidents with Rory Sutherland

Transcription